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- Title
Molecular Shape and Intermolecular Liaison: Hydrocarbons and Fluorocarbons.
- Authors
Jack D. Dunitz; Angelo Gavezzotti; W. Bernd Schweizer
- Abstract
Whereas aliphatic hydrocarbon/fluorocarbon mixtures show mutual phobicity (e.g., positive deviations from Raoult's Law), their aromatic counterparts show the opposite behavior. Hexafluorobenzene forms co-crystals with many aromatic hydrocarbons, but co-crystals are unknown in the aliphatic series. This remarkable contrast between the behaviors of aliphatic and aromatic hydrocarbon/fluorocarbon mixtures calls for explanation, and we attempt to provide one in terms of the difference in overall molecular shape disk vs. cylinder using the new PIXEL method for calculating intermolecular energies.
- Subjects
AROMATIC compounds; HYDROCARBONS; BENZENE; CRYSTALLOGRAPHY
- Publication
Helvetica Chimica Acta, 2003, Vol 86, Issue 12, p4073
- ISSN
0018-019X
- Publication type
Article