All Stories

  1. Hydrogen Bonding in the Sulfuric Acid–Methanol–Water System: A Matrix Isolation and Computational Study

    Article • The Journal of Physical Chemistry A, March 2015, American Chemical Society (ACS)

    Professor Claus J Nielsen

  2. An experimental and theoretical study of the gas phase kinetics of atomic chlorine reactions with CH3NH2, (CH3)2NH, and (CH3)3N

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

    Professor Paul H Wine, Professor Claus J Nielsen

  3. Trimethylamine/Sulfuric Acid/Water Clusters: A Matrix Isolation Infrared Study

    Article • The Journal of Physical Chemistry A, February 2014, American Chemical Society (ACS)

    Professor Claus J Nielsen

  4. Infrared and Raman spectra, DFT-calculations and spectral assignments of silacyclohexane

    Article • Journal of Molecular Structure, September 2012, Elsevier

    Professor Claus J Nielsen

  5. Vibrational spectra, conformations, quantum chemical calculations and spectral assignments of 1-chloro-1-silacyclohexane

    Article • Vibrational Spectroscopy, July 2012, Elsevier

    Professor Claus J Nielsen

  6. H-Bonded Clusters in the Trimethylamine/Water System: A Matrix Isolation and Computational Study

    Article • The Journal of Physical Chemistry A, April 2012, American Chemical Society (ACS)

    Professor Claus J Nielsen

  7. Do primary nitrosamines form and exist in the gas phase? A computational study of CH3NHNO and (CH3)2NNO

    Article • Physical Chemistry Chemical Physics, January 2012, Royal Society of Chemistry

    Professor Claus J Nielsen

  8. Atmospheric chemistry and environmental impact of the use of amines in carbon capture and storage (CCS)

    Article • Chemical Society Reviews, January 2012, Royal Society of Chemistry

    Professor Claus J Nielsen

  9. Thermal Characterization of Aminium Nitrate Nanoparticles

    Article • The Journal of Physical Chemistry A, October 2011, American Chemical Society (ACS)

    Professor Claus J Nielsen

  10. The infrared and Raman spectra, ab initio calculations and spectral assignments of cyclopropylmethyl dichlorosilane (c-C3H5)SiCl2CH3

    Article • Vibrational Spectroscopy, July 2011, Elsevier

    Professor Claus J Nielsen

  11. Vibrational spectra, conformational equilibrium, ab initio calculations and spectral assignments of ethylmethylgermane

    Article • Vibrational Spectroscopy, September 2010, Elsevier

    Professor Claus J Nielsen

  12. Spectral shifts of matrix isolated species as criteria for acid–base interactions with solid Xe

    Article • Physical Chemistry Chemical Physics, January 2010, Royal Society of Chemistry

    Professor Claus J Nielsen

  13. Vibrational spectroscopic studies, conformations and ab initio calculations of 1,2-bis(trifluorosilyl)ethane (SiF3 CH2 CH2 SiF3 )

    Article • Journal of Raman Spectroscopy, August 2009, Wiley

    Professor Claus J Nielsen

  14. Isotope Effects in the Reactions of Chloroform Isotopologues with Cl, OH, and OD

    Article • The Journal of Physical Chemistry A, March 2009, American Chemical Society (ACS)

    Professor Claus J Nielsen

  15. A Quantum Chemistry Study of the Cl Atom Reaction with Formaldehyde

    Article • The Journal of Physical Chemistry A, January 2008, American Chemical Society (ACS)

    Professor Claus J Nielsen

  16. Photolysis Study of Perfluoro-2-methyl-3-pentanone under Natural Sunlight Conditions

    Article • Environmental Science & Technology, November 2005, American Chemical Society (ACS)

    Professor Claus J Nielsen

  17. Relative rates of reaction of 13C16O, 12C18O, 12C17O and 13C18O with OH and OD radicals

    Article • Physical Chemistry Chemical Physics, January 2005, Royal Society of Chemistry

    Professor Claus J Nielsen

  18. Vibrational spectra, conformational equilibrium and ab initio calculations of 1,2-diphenylethane

    Article • Journal of Molecular Structure, June 2004, Elsevier

    Professor Claus J Nielsen

  19. Properties of aqueous methanesulfonic acid: complex index of refraction and surface tension

    Article • Applied Optics, April 2004, Optical Society of America (OSA)

    Professor Claus J Nielsen

  20. The13C and D kinetic isotope effects in the reaction of CH4 with Cl

    Article • International Journal of Chemical Kinetics, January 2004, Wiley

    Professor Claus J Nielsen

  21. Infrared spectra and ab initio calculations of the matrix isolated (CO2)·(H2SO4) and (CO2)·(SO3) complexes

    Article • Journal of Molecular Structure, February 2002, Elsevier

    Professor Claus J Nielsen

  22. Kinetic study of OH and NO3 radical reactions with 14 aliphatic aldehydes

    Article • Physical Chemistry Chemical Physics, January 2001, Royal Society of Chemistry

    Professor Claus J Nielsen

  23. IR spectrum of molecular complexes of sulfuric acid with N2 and NO trapped in solid argon

    Article • Physical Chemistry Chemical Physics, January 1999, Royal Society of Chemistry

    Professor Claus J Nielsen

  24. Density and Surface Tension of Aqueous H 2 SO 4 at Low Temperature

    Article • Journal of Chemical & Engineering Data, July 1998, American Chemical Society (ACS)

    Professor Claus J Nielsen

  25. Study of the conformers of dichloromethylmethyldifluorosilane by vibrational spectroscopy and ab initio methods

    Article • Journal of Raman Spectroscopy, July 1998, Wiley

    Professor Claus J Nielsen

  26. IR spectrum of H2SO4 species trapped in low temperature solid CO and in CO containing matrices

    Article • Journal of the Chemical Society Faraday Transactions, January 1998, Royal Society of Chemistry

    Professor Claus J Nielsen

  27. Infrared matrix isolation study of H2SO4 and its complexes with H2O

    Article • Journal of the Chemical Society Faraday Transactions, January 1998, Royal Society of Chemistry

    Professor Claus J Nielsen

  28. Rate coefficients and Arrhenius parameters for the reactions between chloroethenes and the nitrate radical

    Article • Journal of the Chemical Society Faraday Transactions, January 1997, Royal Society of Chemistry

    Professor Claus J Nielsen

  29. FTIR studies of the NO3 initiated degradation of but-2-yne: mechanism and rate constant determination

    Article • Journal of the Chemical Society Faraday Transactions, January 1996, Royal Society of Chemistry

    Professor Claus J Nielsen

  30. Molecular complexes of nitric acid with various bases studied by matrix isolation infrared spectroscopy

    Article • Journal of Molecular Structure, June 1994, Elsevier

    Professor Claus J Nielsen

  31. Spectroscopic studies of ethylene-propylene copolymers in the near- and mid-infrared regions

    Article • Vibrational Spectroscopy, March 1992, Elsevier

    Professor Claus J Nielsen

  32. Recent advances in infrared matrix isolation spectroscopy. Invited lecture

    Article • The Analyst, January 1992, Royal Society of Chemistry

    Professor Claus J Nielsen

  33. Vibrational spectra of seven halomethanes

    Article • The Analyst, January 1992, Royal Society of Chemistry

    Professor Claus J Nielsen

  34. Vibrational spectra and symmetry of 3,3,6,6-tetramethylcyclohexa-1,4-diene

    Article • Journal of Raman Spectroscopy, December 1985, Wiley

    Professor Claus J Nielsen

  35. Structure and Force Field of 1,3-Pentadiyne (Methyldiacetylene).

    Article • Acta Chemica Scandinavica, January 1983, Danish Chemical Society

    Professor Claus J Nielsen

  36. The Vibrational Spectra and Force Constants of the Tellurocyanate Ion (TeCN-).

    Article • Acta Chemica Scandinavica, January 1977, Danish Chemical Society

    Professor Claus J Nielsen

  37. Molecular structure and internal motion of formamide from microwave spectrum

    Article • Journal of Molecular Spectroscopy, February 1974, Elsevier

    Professor Claus J Nielsen