Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2484698 | Journal of Pharmaceutical Sciences | 2014 | 6 Pages |
Abstract
ABSTRACTCarnelley (1882) made some important and useful observations on the relationship between the arrangement of the atoms in a molecule and its melting point. According to Brown and Brown (2000. J Chem Ed 77:724โ731), Carnelley's rule states โof two or more isometric compounds, those whose atoms are the more symmetrically and the more compactly arranged melt higher than those in which the atomic arrangement is asymmetrical or in the form of long chains.โ Carnelley's rule can best be understood and quantitated from the dependence of the entropy of melting upon molecular geometry.
Keywords
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Authors
Samuel H. Yalkowsky,