Conformationally invariant modeling of atomic charges
โ Scribed by F. Colonna; E.M. Evleth
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 443 KB
- Volume
- 212
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
A method is proposed for determining conformationally invariant fitted atom-centered charges. This method incorporates atomic polarizability effects into the charge fitting procedure. For the two systems investigated, glycol and a dipeptide model, it is shown that the fitted charge variations are reduced on including atomic polarizabilities in the fitting procedure. At the same time the accuracy of the model is improved.
๐ SIMILAR VOLUMES
Atomic charges obtained from infrared intensities have already been shown to be adequately represented by Mulliken net charges and even better by a version of Mulliken charges which makes them fit the molecular dipole moment. It is shown in this paper that the atomic charges derived from electrostat
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