It IC demonstrated that a lo:+1c.g plot of (ticld-gradient) quadrupolc poldrizablhrlcs agm~s~ dqxAc pOi.lrizabllltle:b of "chern~celly smlthr" atoms can be well fit with n str.+t lint. The tiieorctical Justific2! tmn for thlb 1s dlscusscti. 'I Ile hypethesis is advanced that the average qundrupole p
A fast empirical method for the calculation of molecular polarizability
β Scribed by Robert C. Glen
- Book ID
- 104631690
- Publisher
- Springer Netherlands
- Year
- 1994
- Tongue
- English
- Weight
- 422 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0920-654X
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β¦ Synopsis
A simple empirical method for the calculation of static molecular polarizability is described. The method is based on Slater's rules for the calculation of effective atomic nuclear shielding constants. The calculated molecular polarizabilities of a series of organic molecules correlated well (r = 0.98) with experimental measurements. Accurate calculated polarizabilities can be obtained rapidly by this method and may prove useful in deriving relationships between chemical structure and properties.
π SIMILAR VOLUMES
A finite field method for calculating spherical tensor molecular polarizability tensors Ξ±(lm;l'm') = βΞ(lm)/βΟ(l'm')\* by numerical derivatives of induced molecular multipole Ξ(lm) with respect to gradients of electrostatic potential Ο(l'm')\* is described for arbitrary multipole ranks l and l'. Int
The variational method for the calculation of the electronic polarizability of molecules within the NDDO-based semiempirical MO methods MNDO, AM1, and PM3 was parametrized to improve its accuracy. A training set of 156 compounds was used to fit 34 parameters simultaneously for 12 elements using a si