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Calculation of partition coefficients by the charge density method

✍ Scribed by Gilles Klopman; Linda D. Iroff


Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
357 KB
Volume
2
Category
Article
ISSN
0192-8651

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✦ Synopsis


Abstract

A new method is presented for the calculation of partition coefficients of solutes in water lipid systems. Log P values are calculated based on the charge densities of the atoms as determined by quantum mechanical methods. In this article, the results have been obtained from charge densities calculated by two methods: MINDO/3 and HΓΌckel‐type calculation based primarily on topology. Results are favorably compared with those obtained by fragment analysis.


πŸ“œ SIMILAR VOLUMES


Systematic study of vibrational frequenc
✍ Henryk A. Witek; Keiji Morokuma πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 227 KB πŸ‘ 1 views

## Abstract We present a detailed study of harmonic vibrational frequencies obtained with the self‐consistent charge density functional tight‐binding (SCC‐DFTB) method. Our testing set comprises 66 molecules and 1304 distinct vibrational modes. Harmonic vibrational frequencies are computed using an