All Stories

  1. Spectroscopic evidence of ‘jumping and pecking’ of cholinium and H-bond enhanced cation–cation interaction in ionic liquids

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Professor Ralf Ludwig

  2. Dynamics of Methanol in Ionic Liquids: Validity of the Stokes–Einstein and Stokes–Einstein–Debye Relations

    Article • ChemPhysChem, July 2014, Wiley

    Professor Ralf Ludwig

  3. Ion Pairing in Protic Ionic Liquids Probed by Far‐Infrared Spectroscopy: Effects of Solvent Polarity and Temperature

    Article • ChemPhysChem, June 2014, Wiley

    Professor Ralf Ludwig

  4. Investigation into the Equilibrium of Iridium Catalysts for the Hydroformylation of Olefins by Combining In Situ High-Pressure FTIR and NMR Spectroscopy

    Article • ACS Catalysis, June 2014, American Chemical Society (ACS)

    Professor Ralf Ludwig

  5. Site Selective Synthesis of Pentaarylpyridines via Multiple Suzuki–Miyaura Cross‐Coupling Reactions

    Article • Advanced Synthesis & Catalysis, May 2014, Wiley

    Professor Ralf Ludwig

  6. ChemInform Abstract: Site‐Selective Sonogashira Reactions of 1,4‐Dibromo‐2‐(trifluoromethyl)benzene: Synthesis and Properties of Fluorinated Alkynylbenzenes.

    Article • ChemInform, May 2014, Wiley

    Professor Ralf Ludwig

  7. Death and Rebirth: Photocatalytic Hydrogen Production by a Self-Organizing Copper–Iron System

    Article • ACS Catalysis, May 2014, American Chemical Society (ACS)

    Professor Ralf Ludwig

  8. Analyzing the interaction energies between cation and anion in ionic liquids: The subtle balance between Coulomb forces and hydrogen bonding

    Article • Journal of Molecular Liquids, April 2014, Elsevier

    Professor Ralf Ludwig

  9. Formation of “Quasi” Contact or Solvent‐separated Ion Pairs in the Local Environment of Probe Molecules Dissolved in Ionic Liquids

    Article • ChemPhysChem, January 2014, Wiley

    Professor Ralf Ludwig

  10. Base-free hydrogen generation from methanol using a bi-catalytic system

    Article • Chemical Communications, January 2014, Royal Society of Chemistry

    Professor Ralf Ludwig

  11. Probing molecular interaction in ionic liquids by low frequency spectroscopy: Coulomb energy, hydrogen bonding and dispersion forces

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Professor Ralf Ludwig

  12. Site‐Selective Sonogashira Reactions of 1,4‐Dibromo‐2‐(trifluoromethyl)benzene: Synthesis and Properties of Fluorinated Alkynylbenzenes

    Article • European Journal of Organic Chemistry, October 2013, Wiley

    Professor Ralf Ludwig

  13. ChemInform Abstract: A Molecularly Defined Iron‐Catalyst for the Selective Hydrogenation of α,β‐Unsaturated Aldehydes.

    Article • ChemInform, October 2013, Wiley

    Professor Ralf Ludwig

  14. Gleichgewicht zwischen Kontakt‐ und solvensseparierten Ionenpaaren in Mischungen von protischen ionischen Flüssigkeiten und molekularen Lösungsmitteln durch Polarität kontrolliert

    Article • Angewandte Chemie, October 2013, Wiley

    Professor Ralf Ludwig

  15. Equilibrium of Contact and Solvent‐Separated Ion Pairs in Mixtures of Protic Ionic Liquids and Molecular Solvents Controlled by Polarity

    Article • Angewandte Chemie International Edition, October 2013, Wiley

    Professor Ralf Ludwig

  16. Comparison of Force Fields on the Basis of Various Model Approaches—How To Design the Best Model for the [CnMIM][NTf2] Family of Ionic Liquids

    Article • ChemPhysChem, August 2013, Wiley

    Professor Ralf Ludwig

  17. ChemInform Abstract: 3‐Pyrenylacrylates: Synthetic, Photophysical, Theoretical and Electrochemical Investigations.

    Article • ChemInform, August 2013, Wiley

    Professor Ralf Ludwig

  18. The Dissolution of Polyols in Salt Solutions and Ionic Liquids at Molecular Level: Ions, Counter Ions, and Hofmeister Effects

    Article • ChemPhysChem, July 2013, Wiley

    Professor Ralf Ludwig

  19. A Molecularly Defined Iron‐Catalyst for the Selective Hydrogenation of α,β‐Unsaturated Aldehydes

    Article • Chemistry - A European Journal, May 2013, Wiley

    Professor Ralf Ludwig

  20. Preface. Prof. Dr. Andreas Heintz

    Article • Zeitschrift für Physikalische Chemie, February 2013, De Gruyter

    Professor Ralf Ludwig

  21. Ionenspezies in Mischungen aus protischen ionischen Flüssigkeiten und Wasser: Übergang von Kontakt‐ zu solvensseparierten Ionenpaaren

    Article • Angewandte Chemie, February 2013, Wiley

    Professor Ralf Ludwig

  22. Ion Speciation of Protic Ionic Liquids in Water: Transition from Contact to Solvent‐Separated Ion Pairs

    Article • Angewandte Chemie International Edition, February 2013, Wiley

    Professor Ralf Ludwig

  23. The Influence of Water on the Solubility of Carbon Dioxide in Imidazolium Based Ionic Liquids

    Article • Zeitschrift für Physikalische Chemie, January 2013, De Gruyter

    Professor Ralf Ludwig

  24. Energetik der Anion‐Kation‐Wechselwirkung in protischen ionischen Flüssigkeiten

    Article • Angewandte Chemie, January 2013, Wiley

    Professor Ralf Ludwig

  25. Dissecting Anion–Cation Interaction Energies in Protic Ionic Liquids

    Article • Angewandte Chemie International Edition, January 2013, Wiley

    Professor Ralf Ludwig

  26. Inside Cover: Ionic Liquids Can Be More Hydrophobic than Chloroform or Benzene (ChemPhysChem 13/2012)

    Article • ChemPhysChem, September 2012, Wiley

    Professor Ralf Ludwig

  27. Site-selective Sonogashira reactions of 1,2-dibromo-3,5-difluorobenzene

    Article • Catalysis Communications, August 2012, Elsevier

    Professor Ralf Ludwig

  28. The Anion Dependence of the Interaction Strength between Ions in Imidazolium-Based Ionic Liquids Probed by Far-Infrared Spectroscopy

    Article • The Journal of Physical Chemistry B, July 2012, American Chemical Society (ACS)

    Professor Ralf Ludwig

  29. Model‐free multivariate curve resolution combined with model‐based kinetics: algorithm and applications

    Article • Journal of Chemometrics, July 2012, Wiley

    Professor Ralf Ludwig

  30. ChemInform Abstract: Efficient Synthesis of Arylated Flavones by Site‐Selective Suzuki—Miyaura Cross‐Coupling Reactions of the Bis(triflate) of 5,7‐ and 7,8‐Dihydroxyflavone.

    Article • ChemInform, July 2012, Wiley

    Professor Ralf Ludwig

  31. Ionic Liquids Can Be More Hydrophobic than Chloroform or Benzene

    Article • ChemPhysChem, June 2012, Wiley

    Professor Ralf Ludwig

  32. Exploring Between the Extremes: Conversion‐Dependent Kinetics of Phosphite‐Modified Hydroformylation Catalysis

    Article • Chemistry - A European Journal, June 2012, Wiley

    Professor Ralf Ludwig

  33. Editorial: Ionic Liquids: The Fundamentals and Forces Driving Their Rise

    Article • ChemPhysChem, May 2012, Wiley

    Professor Ralf Ludwig

  34. Low‐Frequency Vibrational Modes of Protic Molten Salts and Ionic Liquids: Detecting and Quantifying Hydrogen Bonds

    Article • Angewandte Chemie International Edition, May 2012, Wiley

    Professor Ralf Ludwig

  35. Niederfrequente Schwingungsmoden protischer geschmolzener Salze und ionischer Flüssigkeiten: Nachweis und Quantifizierung von Wasserstoffbrücken

    Article • Angewandte Chemie, May 2012, Wiley

    Professor Ralf Ludwig

  36. The Effect of Neutral Ion Aggregate Formation on the Electrical Conductivity of an Ionic Liquid and its Mixtures with Chloroform

    Article • ChemPhysChem, March 2012, Wiley

    Professor Ralf Ludwig

  37. Microheterogeneities in Ionic‐Liquid–Methanol Solutions Studied by FTIR Spectroscopy, DFT Calculations and Molecular Dynamics Simulations

    Article • ChemPhysChem, February 2012, Wiley

    Professor Ralf Ludwig

  38. Cyclization of 1,4‐Phenylenediacrylic Acid with Thionyl Chloride and Subsequent Suzuki–Miyaura Reactions Revisited. The Products are Benzo[1,2‐b;5,6‐b′]dithiophenes and not Benzo[1,2‐b;4,5‐b′]dithiophenes

    Article • Advanced Synthesis & Catalysis, February 2012, Wiley

    Professor Ralf Ludwig

  39. Structure–Property Relationships in Ionic Liquids: A Study of the Anion Dependence in Vaporization Enthalpies of Imidazolium‐Based Ionic Liquids

    Article • ChemPhysChem, February 2012, Wiley

    Professor Ralf Ludwig

  40. Efficient Synthesis of Arylated Flavones by Site‐Selective Suzuki–Miyaura Cross‐Coupling Reactions of the Bis(triflate) of 5,7‐ and 7,8‐Dihydroxyflavone

    Article • European Journal of Organic Chemistry, January 2012, Wiley

    Professor Ralf Ludwig

  41. Site‐Selective Sonogashira Reactions of 1,4‐Dibromo‐2‐fluorobenzene – Synthesis and Properties of Fluorinated Alkynylbenzenes

    Article • European Journal of Organic Chemistry, November 2011, Wiley

    Professor Ralf Ludwig

  42. Comment on “Isotope effects in liquid water by infrared spectroscopy. IV. No free OH groups in liquid water” [J. Chem. Phys. 133, 164509 (2010)]

    Article • The Journal of Chemical Physics, September 2011, American Institute of Physics

    Professor Ralf Ludwig

  43. Innenrücktitelbild: Einblicke in den Mechanismus der photokatalytischen Wasserreduktion durch DFT‐gestützte In‐situ‐EPR/Raman‐Spektroskopie (Angew. Chem. 43/2011)

    Article • Angewandte Chemie, September 2011, Wiley

    Professor Ralf Ludwig

  44. Inside Back Cover: Insights into the Mechanism of Photocatalytic Water Reduction by DFT‐Supported In Situ EPR/Raman Spectroscopy (Angew. Chem. Int. Ed. 43/2011)

    Article • Angewandte Chemie International Edition, September 2011, Wiley

    Professor Ralf Ludwig

  45. Insights into the Mechanism of Photocatalytic Water Reduction by DFT‐Supported In Situ EPR/Raman Spectroscopy

    Article • Angewandte Chemie International Edition, August 2011, Wiley

    Professor Ralf Ludwig

  46. Einblicke in den Mechanismus der photokatalytischen Wasserreduktion durch DFT‐gestützte In‐situ‐EPR/Raman‐Spektroskopie

    Article • Angewandte Chemie, August 2011, Wiley

    Professor Ralf Ludwig

  47. 1‐(Arylalkenyl)pyrenes – Synthetic, Structural, Photophysical, Theoretical, and Electrochemical Investigations

    Article • European Journal of Organic Chemistry, July 2011, Wiley

    Professor Ralf Ludwig

  48. Understanding the Dissolution of Polyols by Ionic Liquids Using the Example of a Well‐Defined Model Compound

    Article • ChemPhysChem, July 2011, Wiley

    Professor Ralf Ludwig

  49. Computational Chemistry Workbook. by Thomas Heine, Jan‐Ole Joswig, Achim Gelessus.

    Article • ChemPhysChem, May 2011, Wiley

    Professor Ralf Ludwig

  50. Der Einfluss von Wasserstoffbrückendefekten auf die Eigenschaften ionischer Flüssigkeiten

    Article • Angewandte Chemie, May 2011, Wiley

    Professor Ralf Ludwig

  51. The Influence of Hydrogen‐Bond Defects on the Properties of Ionic Liquids

    Article • Angewandte Chemie International Edition, May 2011, Wiley

    Professor Ralf Ludwig

  52. Photocatalytic Hydrogen Generation from Water with Iron Carbonyl Phosphine Complexes: Improved Water Reduction Catalysts and Mechanistic Insights

    Article • Chemistry - A European Journal, April 2011, Wiley

    Professor Ralf Ludwig

  53. ChemInform Abstract: Synthesis and Characterization of Tetramethylammonium Trifluorosulfate.

    Article • ChemInform, March 2011, Wiley

    Professor Ralf Ludwig

  54. The influence of hydrogen bonding on the physical properties of ionic liquids

    Article • Physical Chemistry Chemical Physics, January 2011, Royal Society of Chemistry

    Professor Ralf Ludwig

  55. Ionenabhängige Struktur und Dynamik von Wassermolekülen jenseits der ersten Hydrathülle

    Article • Angewandte Chemie, December 2010, Wiley

    Professor Ralf Ludwig

  56. Specific Ion Effects on Water Structure and Dynamics beyond the First Hydration Shell

    Article • Angewandte Chemie International Edition, December 2010, Wiley

    Professor Ralf Ludwig

  57. Die Bedeutung von Wasserstoffbrücken für die Struktur ionischer Flüssigkeiten – Einkristall‐Röntgenstrukturanalyse sowie Transmissions‐ und ATR‐Spektroskopie im Terahertz‐Bereich

    Article • Angewandte Chemie, December 2010, Wiley

    Professor Ralf Ludwig

  58. The Importance of Hydrogen Bonds for the Structure of Ionic Liquids: Single‐Crystal X‐ray Diffraction and Transmission and Attenuated Total Reflection Spectroscopy in the Terahertz Region

    Article • Angewandte Chemie International Edition, December 2010, Wiley

    Professor Ralf Ludwig

  59. Cavity Model Challenged: The Hydrated Electron is Localized in Regions of Enhanced Water Density

    Article • ChemPhysChem, November 2010, Wiley

    Professor Ralf Ludwig

  60. Synthesis and Characterization of Tetramethylammonium Trifluorosulfate

    Article • Chemistry - A European Journal, November 2010, Wiley

    Professor Ralf Ludwig

  61. Orthometallierung in Eisen(0)‐Tribenzylphosphan‐Komplexen: aktivere Homogenkatalysatoren für die Wasserstofferzeugung aus Ameisensäure

    Article • Angewandte Chemie, October 2010, Wiley

    Professor Ralf Ludwig

  62. ortho‐Metalation of Iron(0) Tribenzylphosphine Complexes: Homogeneous Catalysts for the Generation of Hydrogen from Formic Acid

    Article • Angewandte Chemie International Edition, October 2010, Wiley

    Professor Ralf Ludwig

  63. Computer Simulation Studies of Heat Capacity Effects Associated with Hydrophobic Effects

    Article • August 2010, Royal Society of Chemistry

    Professor Ralf Ludwig

  64. Secondary Phosphane Oxides as Preligands in Rhodium‐Catalyzed Hydroformylation

    Article • ChemCatChem, August 2010, Wiley

    Professor Ralf Ludwig

  65. ChemInform Abstract: Small Magnesium Clusters: Between van der Waals and Valence Bonds.

    Article • ChemInform, June 2010, Wiley

    Professor Ralf Ludwig

  66. Preparation and Properties of Dimethyltetrafluorophosphate

    Article • Inorganic Chemistry, June 2010, American Chemical Society (ACS)

    Professor Ralf Ludwig

  67. Iron-Catalyzed Hydrogen Production from Formic Acid

    Article • Journal of the American Chemical Society, June 2010, American Chemical Society (ACS)

    Professor Ralf Ludwig

  68. Inside Cover: Estimating Enthalpies of Vaporization of Imidazolium‐Based Ionic Liquids from Far‐Infrared Measurements (ChemPhysChem 8/2010)

    Article • ChemPhysChem, May 2010, Wiley

    Professor Ralf Ludwig

  69. Estimating Enthalpies of Vaporization of Imidazolium‐Based Ionic Liquids from Far‐Infrared Measurements

    Article • ChemPhysChem, May 2010, Wiley

    Professor Ralf Ludwig

  70. On the Tautomerism of Secondary Phosphane Oxides

    Article • European Journal of Organic Chemistry, April 2010, Wiley

    Professor Ralf Ludwig

  71. Small Magnesium Clusters: Between van der Waals and Valence Bonds

    Article • Inorganic Chemistry, March 2010, American Chemical Society (ACS)

    Professor Ralf Ludwig

  72. Inside Cover: A Comparative In Situ HP‐FTIR Spectroscopic Study of Bi‐ and Monodentate Phosphite‐Modified Hydroformylation (ChemCatChem 3/2010)

    Article • ChemCatChem, March 2010, Wiley

    Professor Ralf Ludwig

  73. A Comparative In Situ HP‐FTIR Spectroscopic Study of Bi‐ and Monodentate Phosphite‐Modified Hydroformylation

    Article • ChemCatChem, March 2010, Wiley

    Professor Ralf Ludwig

  74. Combined THz, FIR and Raman Spectroscopy Studies of Imidazolium‐Based Ionic Liquids Covering the Frequency Range 2–300 cm−1

    Article • ChemPhysChem, January 2010, Wiley

    Professor Ralf Ludwig

  75. Innentitelbild: Spektroskopischer Nachweis einer verstärkten Anion‐Kation‐ Wechselwirkung durch H‐Brücken in reinen ionischen Flüssigkeiten auf Imidazoliumbasis (Angew. Chem. 2/2010)

    Article • Angewandte Chemie, December 2009, Wiley

    Professor Ralf Ludwig

  76. Spektroskopischer Nachweis einer verstärkten Anion‐Kation‐ Wechselwirkung durch H‐Brücken in reinen ionischen Flüssigkeiten auf Imidazoliumbasis

    Article • Angewandte Chemie, December 2009, Wiley

    Professor Ralf Ludwig

  77. Spectroscopic Evidence for an Enhanced Anion–Cation Interaction from Hydrogen Bonding in Pure Imidazolium Ionic Liquids

    Article • Angewandte Chemie International Edition, December 2009, Wiley

    Professor Ralf Ludwig

  78. Inside Cover: Spectroscopic Evidence for an Enhanced Anion–Cation Interaction from Hydrogen Bonding in Pure Imidazolium Ionic Liquids (Angew. Chem. Int. Ed. 2/2010)

    Article • Angewandte Chemie International Edition, December 2009, Wiley

    Professor Ralf Ludwig

  79. A Simple Geometrical Explanation for the Occurrence of Specific Large Aggregated Ions in Some Protic Ionic Liquids

    Article • The Journal of Physical Chemistry B, November 2009, American Chemical Society (ACS)

    Professor Ralf Ludwig

  80. Correlation of Static and Dynamic Heterogeneities in Supercooled Water by Means of Molecular Dynamics Simulations

    Article • Zeitschrift für Physikalische Chemie, September 2009, De Gruyter

    Professor Ralf Ludwig

  81. The Effects of Temperature and H/D Isotopic Dilution on the Transmission and Attenuated Total Reflection FTIR Spectra of Water

    Article • Zeitschrift für Physikalische Chemie, September 2009, De Gruyter

    Professor Ralf Ludwig

  82. Preface

    Article • Zeitschrift für Physikalische Chemie, September 2009, De Gruyter

    Professor Ralf Ludwig

  83. Temperature Dependence of the Solubility of Carbon Dioxide in Imidazolium-Based Ionic Liquids

    Article • The Journal of Physical Chemistry B, September 2009, American Chemical Society (ACS)

    Professor Ralf Ludwig

  84. What Far‐Infrared Spectra Can Contribute to the Development of Force Fields for Ionic Liquids Used in Molecular Dynamics Simulations

    Article • ChemPhysChem, May 2009, Wiley

    José Nuno Canongia Lopes, Professor Ralf Ludwig

  85. Hydrogen Bonding in Protic Ionic Liquids: Reminiscent of Water

    Article • Angewandte Chemie International Edition, April 2009, Wiley

    Professor Ralf Ludwig

  86. Wasserstoffbrücken in protischen ionischen Flüssigkeiten – Ähnlichkeiten mit Wasser

    Article • Angewandte Chemie, April 2009, Wiley

    Professor Ralf Ludwig

  87. An Elemental Mercury Diffusion Coefficient for Natural Waters Determined by Molecular Dynamics Simulation

    Article • Environmental Science & Technology, March 2009, American Chemical Society (ACS)

    Professor Ralf Ludwig

  88. Applying the Inductive Effect for Synthesizing Low‐Melting and Low‐Viscosity Imidazolium‐Based Ionic Liquids

    Article • ChemPhysChem, February 2009, Wiley

    Professor Ralf Ludwig

  89. The potential role of hydrogen bonding in aprotic and protic ionic liquids

    Article • Physical Chemistry Chemical Physics, January 2009, Royal Society of Chemistry

    Professor Ralf Ludwig

  90. Solvent dependent asymmetric hydrogenation with self-assembled catalysts: a combined catalytic, NMR- and IR-study

    Article • Chemical Communications, January 2009, Royal Society of Chemistry

    Professor Ralf Ludwig

  91. Editorial: The Complex Nature of Water at Molecular Interfaces

    Article • ChemPhysChem, December 2008, Wiley

    Professor Ralf Ludwig

  92. Salt Effects on the Structure of Water Probed by Attenuated Total Reflection Infrared Spectroscopy and Molecular Dynamics Simulations

    Article • ChemPhysChem, December 2008, Wiley

    Professor Ralf Ludwig

  93. Temperature and Concentration Effects on the Solvophobic Solvation of Methane in Aqueous Salt Solutions

    Article • ChemPhysChem, December 2008, Wiley

    Professor Ralf Ludwig

  94. Starke, lokalisierte und gerichtete H‐Brücken machen ionische Flüssigkeiten beweglicher

    Article • Angewandte Chemie, October 2008, Wiley

    Professor Ralf Ludwig

  95. Strong, Localized, and Directional Hydrogen Bonds Fluidize Ionic Liquids

    Article • Angewandte Chemie International Edition, October 2008, Wiley

    Professor Ralf Ludwig

  96. Ionic Liquids in Synthesis. Edited by Peter Wasserscheid and Tom Welton.

    Article • ChemSusChem, October 2008, Wiley

    Professor Ralf Ludwig

  97. On the Validity of Stokes–Einstein and Stokes–Einstein–Debye Relations in Ionic Liquids and Ionic‐Liquid Mixtures

    Article • ChemPhysChem, September 2008, Wiley

    Professor Ralf Ludwig

  98. Fern‐IR‐spektroskopische Charakterisierung der Wechselwirkung zwischen Kationen und Anionen in ionischen Flüssigkeiten

    Article • Angewandte Chemie, April 2008, Wiley

    Professor Ralf Ludwig

  99. The Cation–Anion Interaction in Ionic Liquids Probed by Far‐Infrared Spectroscopy

    Article • Angewandte Chemie International Edition, April 2008, Wiley

    Professor Ralf Ludwig

  100. Solvophobic Solvation and Interaction of Small Apolar Particles in Imidazolium-Based Ionic Liquids

    Article • Physical Review Letters, March 2008, American Physical Society (APS)

    Professor Ralf Ludwig

  101. Ionic Liquids: Dissecting the Enthalpies of Vaporization

    Article • ChemPhysChem, March 2008, Wiley

    Professor Ralf Ludwig

  102. Thermodynamic properties of ionic liquids—a cluster approach

    Article • Physical Chemistry Chemical Physics, January 2008, Royal Society of Chemistry

    Professor Ralf Ludwig

  103. Hydrogen‐Transfer Reactions.Edited by J. T. Hynes, J. P. Klinman, H.‐H. Limbach and R. L. Schowen.

    Article • ChemPhysChem, November 2007, Wiley

    Professor Ralf Ludwig

  104. Molecular Dynamic Simulations of Ionic Liquids: A Reliable Description of Structure, Thermodynamics and Dynamics

    Article • ChemPhysChem, November 2007, Wiley

    Professor Ralf Ludwig

  105. Cover Picture: Molecular Dynamic Simulations of Ionic Liquids: A Reliable Description of Structure, Thermodynamics and Dynamics (ChemPhysChem 17/2007)

    Article • ChemPhysChem, November 2007, Wiley

    Professor Ralf Ludwig

  106. Druck‐ und Salzeffekte in simuliertem Wasser: zwei Seiten einer Medaille?

    Article • Angewandte Chemie, November 2007, Wiley

    Professor Ralf Ludwig

  107. Pressure and Salt Effects in Simulated Water: Two Sides of the Same Coin?

    Article • Angewandte Chemie International Edition, November 2007, Wiley

    Professor Ralf Ludwig

  108. Do We Understand the Volatility of Ionic Liquids?

    Article • ChemInform, November 2007, Wiley

    Professor Ralf Ludwig

  109. IR and NMR Properties of Ionic Liquids: Do They Tell Us the Same Thing?

    Article • ChemPhysChem, October 2007, Wiley

    Professor Ralf Ludwig

  110. Verstehen wir die Flüchtigkeit ionischer Flüssigkeiten?

    Article • Angewandte Chemie, August 2007, Wiley

    Professor Ralf Ludwig

  111. Do We Understand the Volatility of Ionic Liquids?

    Article • Angewandte Chemie International Edition, August 2007, Wiley

    Professor Ralf Ludwig

  112. The Potential Distribution Theorem and Models of Molecular Solutions. By Thomas L. Beck, Michael E. Paulaitis and Lawrence R. Pratt.

    Article • Angewandte Chemie International Edition, July 2007, Wiley

    Professor Ralf Ludwig

  113. The Potential Distribution Theorem and Models of Molecular Solutions. Von Thomas L. Beck, Michael E. Paulaitis und Lawrence R. Pratt.

    Article • Angewandte Chemie, July 2007, Wiley

    Professor Ralf Ludwig

  114. Molecular reorientation in ionic liquids: A comparative dielectric and magnetic relaxation study

    Article • Chemical Physics Letters, May 2007, Elsevier

    Professor Ralf Ludwig, Dr Sasisanker Padmanabhan

  115. The Importance of Tetrahedrally Coordinated Molecules for the Explanation of Liquid Water Properties

    Article • ChemPhysChem, April 2007, Wiley

    Professor Ralf Ludwig

  116. Twisted oxygen-containing oligosilanes—unprecedented examples of σ–n mixed conjugated systems

    Article • Chemical Communications, January 2007, Royal Society of Chemistry

    Professor Ralf Ludwig

  117. The Mechanism of the Molecular Reorientation in Water

    Article • ChemPhysChem, December 2006, Wiley

    Professor Ralf Ludwig

  118. Hydroxysubstituierte Oligosilandendrimere – Kontrolle der elektronischen Eigenschaften durch Wasserstoffbrücken

    Article • Angewandte Chemie, October 2006, Wiley

    Professor Ralf Ludwig

  119. Hydroxy‐Substituted Oligosilane Dendrimers: Controlling the Electronic Properties through Hydrogen Bonding

    Article • Angewandte Chemie International Edition, October 2006, Wiley

    Professor Ralf Ludwig

  120. Water Vibrational Bands as a Polarity Indicator in Ionic Liquids

    Article • Zeitschrift für Physikalische Chemie, October 2006, De Gruyter

    Professor Ralf Ludwig

  121. Ion‐Pair Formation in the Ionic Liquid 1‐Ethyl‐3‐methylimidazolium Bis(triflyl)imide as a Function of Temperature and Concentration

    Article • ChemPhysChem, September 2006, Wiley

    Professor Ralf Ludwig

  122. The Puzzling Properties of Supercooled and Glassy Water

    Article • ChemInform, July 2006, Wiley

    Professor Ralf Ludwig

  123. Ionic Liquids—Revolutionary Potential for Chemistry?

    Article • ChemPhysChem, June 2006, Wiley

    Professor Ralf Ludwig

  124. Die Assoziation von Wasser in ionischen Flüssigkeiten: eine verlässliche Sonde zur Bestimmung der Polarität

    Article • Angewandte Chemie, May 2006, Wiley

    Professor Ralf Ludwig

  125. The Association of Water in Ionic Liquids: A Reliable Measure of Polarity

    Article • Angewandte Chemie International Edition, May 2006, Wiley

    Professor Ralf Ludwig

  126. Die ungewöhnlichen Eigenschaften des unterkühlten und glasartigen Wassers

    Article • Angewandte Chemie, May 2006, Wiley

    Professor Ralf Ludwig

  127. The Puzzling Properties of Supercooled and Glassy Water

    Article • Angewandte Chemie International Edition, May 2006, Wiley

    Professor Ralf Ludwig

  128. Structure and Dynamics of Water Confined in Dimethyl Sulfoxide

    Article • ChemPhysChem, January 2006, Wiley

    Professor Ralf Ludwig

  129. Isotopic Quantum Effects in Liquid Methanol

    Article • ChemPhysChem, July 2005, Wiley

    Professor Ralf Ludwig

  130. The Structure of Liquid Methanol

    Article • ChemPhysChem, July 2005, Wiley

    Professor Ralf Ludwig

  131. Wasser: Anomalien und Rätsel

    Article • Chemie in unserer Zeit, June 2005, Wiley

    Professor Ralf Ludwig

  132. Calculation of Clathrate‐Like Water Clusters Including H2O‐Buckminsterfullerene.

    Article • ChemInform, April 2005, Wiley

    Professor Ralf Ludwig

  133. Berechnung clathratähnlicher Wassercluster einschließlich eines Wasser‐Buckminsterfullerens

    Article • Angewandte Chemie, January 2005, Wiley

    Professor Ralf Ludwig

  134. Calculation of Clathrate‐Like Water Clusters Including H2O‐Buckminsterfullerene

    Article • Angewandte Chemie International Edition, January 2005, Wiley

    Professor Ralf Ludwig

  135. Protonated Water Clusters: The Third Dimension

    Article • ChemPhysChem, October 2004, Wiley

    Professor Ralf Ludwig

  136. Collective contributions to the dielectric relaxation of hydrogen-bonded liquids

    Article • The Journal of Chemical Physics, June 2004, American Institute of Physics

    Professor Ralf Ludwig

  137. Complex Formation of Isocytosine Tautomers with PdIIand PtII

    Article • Inorganic Chemistry, May 2004, American Chemical Society (ACS)

    Professor Ralf Ludwig

  138. Brücke zwischen Theorie und Spektroskopie: Handbook of Molecular Physics and Quantum Chemistry. Hrsg. von Stephen Wilson. John Wiley & Sons Ltd., Chichester, 2003, 2200 S., geb., ca. 1042, 50 Euro. ISBN 0‐471‐62374‐1

    Article • Nachrichten aus der Chemie, April 2004, Wiley

    Professor Ralf Ludwig

  139. Die Bildung von Wasserclustern in einem hydrophoben Lösungsmittel

    Article • Angewandte Chemie, October 2003, Wiley

    Professor Ralf Ludwig

  140. Formation of Water Clusters in a Hydrophobic Solvent

    Article • Angewandte Chemie International Edition, October 2003, Wiley

    Professor Ralf Ludwig

  141. How Does Water Bind to Metal Surfaces: Hydrogen Atoms Up or Hydrogen Atoms Down?

    Article • ChemInform, September 2003, Wiley

    Professor Ralf Ludwig

  142. Wie bindet Wasser an Metalloberflächen: mit den Wasserstoffatomen nach oben oder nach unten?

    Article • Angewandte Chemie, July 2003, Wiley

    Professor Ralf Ludwig

  143. How Does Water Bind to Metal Surfaces: Hydrogen Atoms Up or Hydrogen Atoms Down?

    Article • Angewandte Chemie International Edition, July 2003, Wiley

    Professor Ralf Ludwig

  144. Buchbesprechung: Cohesion A Scientific History of Intermolecular Forces. Von John S. Rowlinson

    Article • Angewandte Chemie, July 2003, Wiley

    Professor Ralf Ludwig

  145. Book Review: Cohesion A Scientific History of Intermolecular Forces. By John S. Rowlinson

    Article • Angewandte Chemie International Edition, July 2003, Wiley

    Professor Ralf Ludwig

  146. Book Review: Principles of Thermodynamics by Myron Kaufman

    Article • ChemPhysChem, June 2003, Wiley

    Professor Ralf Ludwig

  147. Vibrational spectra of the tetramethylpnikogenonium ions

    Article • Journal of Molecular Spectroscopy, May 2003, Elsevier

    Professor Ralf Ludwig

  148. Raman spectroscopic investigation of small matrix-isolated lithium clusters

    Article • The Journal of Chemical Physics, April 2003, American Institute of Physics

    Professor Ralf Ludwig

  149. Struktur und Eigenschaften des Methylpentafluorphosphatanions, [CH3PF5]—

    Article • Zeitschrift für anorganische und allgemeine Chemie, March 2003, Wiley

    Professor Ralf Ludwig

  150. New Insight into the Transport Mechanism of Hydrated Hydroxide Ions in Water

    Article • ChemInform, March 2003, Wiley

    Professor Ralf Ludwig

  151. Raman Matrix Isolation Spectroscopy. Part 10. Formation of the Magic Cluster Na8 in Noble Gas Matrixes.

    Article • ChemInform, February 2003, Wiley

    Professor Ralf Ludwig

  152. tert‐Butylphosphonic Acid: From the Bulk to the Gas Phase

    Article • Chemistry - A European Journal, February 2003, Wiley

    Professor Ralf Ludwig

  153. Das Transportverhalten hydratisierter Hydroxid‐Ionen in Wasser

    Article • Angewandte Chemie, January 2003, Wiley

    Professor Ralf Ludwig

  154. New Insight into the Transport Mechanism of Hydrated Hydroxide Ions in Water

    Article • Angewandte Chemie International Edition, January 2003, Wiley

    Professor Ralf Ludwig

  155. Book Review: Encyclopedia of Chemical Physics and Physical Chemistry. Vols. 1–3. Edited by John H. Moore and Nicholas D. Spencer

    Article • Angewandte Chemie International Edition, December 2002, Wiley

    Professor Ralf Ludwig

  156. Buchbesprechung: Encyclopedia of Chemical Physics and Physical Chemistry. Band 1–3. Herausgegeben von John H. Moore und Nicholas D. Spencer

    Article • Angewandte Chemie, December 2002, Wiley

    Professor Ralf Ludwig

  157. Molecular Composition of Liquid Sulfur.

    Article • ChemInform, November 2002, Wiley

    Professor Ralf Ludwig

  158. Formation of the Magic Cluster Na8 in Noble Gas Matrixes

    Article • Inorganic Chemistry, November 2002, American Chemical Society (ACS)

    Professor Ralf Ludwig

  159. Die molekulare Zusammensetzung des fl��ssigen Schwefels

    Article • Angewandte Chemie, September 2002, Wiley

    Professor Ralf Ludwig, Professor Frank Weinhold

  160. Molecular Composition of Liquid Sulfur

    Article • Angewandte Chemie International Edition, September 2002, Wiley

    Professor Ralf Ludwig, Professor Frank Weinhold

  161. Struktur und Eigenschaften von Methyltrifluorphosphoran CH3PF3HProfessor Dieter Naumann zum 60. Geburtstag gewidmet

    Article • Zeitschrift für anorganische und allgemeine Chemie, August 2002, Wiley

    Professor Ralf Ludwig

  162. ChemInform Abstract: Crystal Structure of IO2F.

    Article • ChemInform, January 2002, Wiley

    Professor Ralf Ludwig

  163. Web Site: Großartige Wasserwelt

    Article • Angewandte Chemie, January 2002, Wiley

    Professor Ralf Ludwig

  164. Web Site: Great Waterworld

    Article • Angewandte Chemie International Edition, January 2002, Wiley

    Professor Ralf Ludwig

  165. Darstellung von Tetramethylammoniumazidsulfit und Tetramethylammoniumcyanat-Schwefeldioxid-Addukt, [(CH3)4N]+[SO2N3]-, [(CH3)4N]+ [SO2OCN]- und Kristallstruktur von [(CH3)4N]+[SO2N3]-

    Article • Zeitschrift für anorganische und allgemeine Chemie, January 2002, Wiley

    Professor Ralf Ludwig

  166. Crystal Structure of IO2F

    Article • Inorganic Chemistry, November 2001, American Chemical Society (ACS)

    Professor Ralf Ludwig

  167. From Intramolecularly [4 + 1]- and [4 + 2]-Coordinated Tri- and Tetraorganosilanes to Hypercoordinated Benzoxasilaphospholes

    Article • Organometallics, September 2001, American Chemical Society (ACS)

    Professor Ralf Ludwig

  168. Water: From Clusters to the Bulk

    Article • ChemInform, July 2001, Wiley

    Professor Ralf Ludwig

  169. Wasser: von Clustern in die Flüssigkeit

    Article • Angewandte Chemie, May 2001, Wiley

    Professor Ralf Ludwig

  170. Water: From Clusters to the Bulk

    Article • Angewandte Chemie International Edition, May 2001, Wiley

    Professor Ralf Ludwig

  171. Water: From Clusters to the Bulk

    Article • Angewandte Chemie International Edition, May 2001, Wiley

    Professor Ralf Ludwig

  172. ChemInform Abstract: Preparation and Crystal Structure of Tetraphenylphosphonium Triiodotetrabromide [PPh4][I3Br4].

    Article • ChemInform, April 2001, Wiley

    Professor Ralf Ludwig

  173. Preparation and Crystal Structure of Tetraphenylphosphonium Triiodotetrabromide [PPh4][I3Br4]

    Article • Inorganic Chemistry, December 2000, American Chemical Society (ACS)

    Professor Ralf Ludwig

  174. Synthesis and Characterization of Novel Iodine(III) Compounds; Crystal Structures of Methoxy(trifluoromethyl)iodine(III) Chloride [CF3I(Cl)OCH3] and Dimethoxy(trifluoromethyl)iodine(III) [CF3I(OCH3)2]

    Article • European Journal of Inorganic Chemistry, November 2000, Wiley

    Professor Ralf Ludwig

  175. Synthesis and Characterization of Novel Iodine(III) Compounds; Crystal Structures of Methoxy(trifluoromethyl)iodine(III) Chloride [CF3I(Cl)OCH3] and Dimethoxy(trifluoromethyl)iodine(III) [CF3I(OCH3)2]

    Article • European Journal of Inorganic Chemistry, November 2000, Wiley

    Professor Ralf Ludwig

  176. Crystal Structure of (Difluoro)methoxyoxo Iodine(V) IF2(O)OCH3

    Article • Inorganic Chemistry, September 2000, American Chemical Society (ACS)

    Professor Ralf Ludwig

  177. Hexamers: From Covalently Bound Organic Structures to Hydrogen Bonded Water Clusters

    Article • ChemPhysChem, August 2000, Wiley

    Professor Ralf Ludwig

  178. Hexamers: From Covalently Bound Organic Structures to Hydrogen Bonded Water Clusters

    Article • ChemPhysChem, August 2000, Wiley

    Professor Ralf Ludwig

  179. ChemInform Abstract: In Spite of the Chemist′s Belief: Carbonic Acid Is Surprisingly Stable

    Article • ChemInform, June 2000, Wiley

    Professor Ralf Ludwig

  180. Lehrmeinung widerlegt: Kohlensäure überraschend stabil

    Article • Angewandte Chemie, April 2000, Wiley

    Professor Ralf Ludwig

  181. In Spite of the Chemist's Belief: Carbonic Acid Is Surprisingly Stable

    Article • Angewandte Chemie International Edition, April 2000, Wiley

    Professor Ralf Ludwig

  182. ChemInform Abstract: Syntheses and Structures of Novel Molecular Organotin Chalcogenides

    Article • ChemInform, April 2000, Wiley

    Professor Ralf Ludwig

  183. ChemInform Abstract: Syntheses, Dynamic Stereochemistry, and Unusual Reactivity of Intramolecularly Coordinated Organotin Fluorides

    Article • ChemInform, April 2000, Wiley

    Professor Ralf Ludwig

  184. Darstellung und Kristallstruktur des TetramethylammoniumthiocyanatSchwefeldioxid-Adduktes, (CH3)4N+SCN- · SO2

    Article • Zeitschrift für anorganische und allgemeine Chemie, March 2000, Wiley

    Professor Ralf Ludwig

  185. ChemInform Abstract: Raman Matrix Isolation Spectroscopy. Part 9. Raman Spectroscopic Investigation of Matrix Isolated Rubidium and Cesium Molecules: Rb2, Rb3, Cs2, and Cs3.

    Article • ChemInform, December 1999, Wiley

    Professor Ralf Ludwig

  186. On the reaction of perfluoro-aza-propene with oxygen difluoride and fluorination of bis(trifluoromethyl)-hydroxylamine

    Article • Journal of Fluorine Chemistry, November 1999, Elsevier

    Professor Ralf Ludwig

  187. Raman Spectroscopic Investigation of Matrix Isolated Rubidium and Cesium Molecules:  Rb2, Rb3, Cs2, and Cs3,1

    Article • Inorganic Chemistry, September 1999, American Chemical Society (ACS)

    Professor Ralf Ludwig

  188. ChemInform Abstract: Trifluorosulfite Anion, SOF3‐.

    Article • ChemInform, September 1999, Wiley

    Professor Ralf Ludwig

  189. Trifluorosulfite Anion, SOF3-

    Article • Inorganic Chemistry, May 1999, American Chemical Society (ACS)

    Professor Ralf Ludwig

  190. Synthesis and Characterization of Tetramethylammonium Cyanosulfite, (CH3)4N+SO2CN-

    Article • Journal of the American Chemical Society, April 1999, American Chemical Society (ACS)

    Professor Ralf Ludwig

  191. Syntheses, Dynamic Stereochemistry, and Unusual Reactivity of Intramolecularly Coordinated Organotin Fluorides

    Article • Phosphorus Sulfur and Silicon and the Related Elements, February 1999, Taylor & Francis

    Professor Ralf Ludwig

  192. Syntheses and Structures of Novel Molecular Organotin Chalcogenides

    Article • Phosphorus Sulfur and Silicon and the Related Elements, February 1999, Taylor & Francis

    Professor Ralf Ludwig

  193. Darstellung und spektroskopische Charakterisierung der Difluoramino-fluoriminium-Hexafluorometallate F2NC(F)NX2+MF6- (X = H, D; M = As, Sb)

    Article • Zeitschrift für anorganische und allgemeine Chemie, October 1998, Wiley

    Professor Ralf Ludwig

  194. Lithiumtriamidostannat(II), Li[Sn(NH2)3] - Synthese und Kristallstruktur

    Article • Zeitschrift für anorganische und allgemeine Chemie, September 1998, Wiley

    Professor Ralf Ludwig

  195. Lithiumtriamidostannat(II), Li[Sn(NH2)3] – Synthese und Kristallstruktur

    Article • Zeitschrift für anorganische und allgemeine Chemie, September 1998, Wiley

    Professor Ralf Ludwig

  196. Small Potassium Clusters

    Article • Angewandte Chemie International Edition, June 1998, Wiley

    Professor Ralf Ludwig

  197. Kleine Kaliumcluster

    Article • Angewandte Chemie, June 1998, Wiley

    Professor Ralf Ludwig

  198. Vibrational Spectra and Structural Aspects of Fluorosulfites

    Article • Inorganic Chemistry, November 1997, American Chemical Society (ACS)

    Professor Ralf Ludwig

  199. Tetramethylammonium Difluorobromate(I), (CH3)4N+BrF2-

    Article • Inorganic Chemistry, September 1997, American Chemical Society (ACS)

    Professor Ralf Ludwig

  200. Trifluoromethyl Hypobromite, CF3OBr

    Article • Inorganic Chemistry, May 1997, American Chemical Society (ACS)

    Professor Ralf Ludwig

  201. Quadrupole Relaxation of the 7 Li + Ion in Dilute Aqueous Solution Determined by Experimental and Theoretical Methods

    Article • Journal of Molecular Modeling, September 1996, Springer Science + Business Media

    Professor Ralf Ludwig