What is it about?
Solvent plays a major role in preparation of conformational or packing polymorphs. Solvate which shows symmetry non-equivalent molecules in unit cell are important to understand them as intermediate species carrying signature of a polymorph. Presence of more than one symmetry indepedent solvated molecules in an unit cell of a solvate tells about role solvent to enforce symmetry independence.
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Why is it important?
Self-assembly of a substrate in solution by interaction of solute and solvates helps in understanding nucleation process. Analysis of packing patterns of solvates that have symmetry independent molecules in lattice could be one way to know the role of solvents in guiding crystallisation of polymorphs.
Perspectives
This study can be help to provide guideline to understand high Z' in crystals and crystallisation of polymorph by a solvent.
Professor Jubaraj Bikash Baruah
IIT Guwahati
Read the Original
This page is a summary of: Solvent induced symmetry non-equivalence in the crystal lattice of 7-carboxymethyl-1,3,6,8-tetraoxo-3,6,7,8-tetrahydro-1H-benzo[lmn][3,8]phenathrolin-2-yl) acetic acid, CrystEngComm, January 2008, Royal Society of Chemistry,
DOI: 10.1039/b712967j.
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