Although the qualitative concept of partial charges of atoms in molecules is widely accepted and used among chemists, the assignment of quantitative values is met with difficulties. Experimental methods give only indirect access to atomic charges and different interpretations might result in varying
A new definition of atomic charges in molecules
β Scribed by Karl Jug
- Publisher
- Springer
- Year
- 1973
- Tongue
- English
- Weight
- 510 KB
- Volume
- 31
- Category
- Article
- ISSN
- 1432-2234
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π SIMILAR VOLUMES
For the calculation of atomic charges in molecules, a new fast procedure based on extended Mulliken population analysis is presented. The reliability of the new population analysis is tested within the AM1 approximation and the results are compared in detail with those obtained by different methods
A simple electronegativity method is used to calculate atomic charges for molecules of interest to biochemistry. These include purines, pyrimidines, and amino acids. Results are compared to those obtained from other theoretical methods (ab initio and semiempirical) as well as to nuclear magnetic res