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CH overtones in acetophenone and benzaldehyde: aryl and methyl local modes
Author(s) -
Tabish Rasheed,
K. P. B. Moosad,
V. P. N. Nampoori,
K. Sathianandan
Publication year - 1987
Publication title -
the journal of physical chemistry
Language(s) - English
Resource type - Journals
eISSN - 1541-5740
pISSN - 0022-3654
DOI - 10.1021/j100300a004
Subject(s) - acetophenone , benzaldehyde , aryl , chemistry , medicinal chemistry , organic chemistry , catalysis , alkyl
Even though there is great practical benefit from evidence that ideal theories are reasonable approximations at small separations (10-30 A) where these relations are expected to fail, we should not be lulled into complacency. Why do not we observe major deviations from ideality due to structure of the solvent, finite ion size, correlations, and fluctuations? What is the origin(s) of the short-range repulsion and its decay at large separations? Furthermore, does the exponential form for the close-range repulsion hold at very close proximity? The power-law attraction should overwhelm the repulsion to cause a precipitous collapse. Clearly, stiff-steric interactions must exist which are of ultimate importance

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