The paralk! and perpendicular C6 coefficients for the Ne-HF pair have been estimated at 7.905 and 5.065 au respectively. .4 simple technique, using experimental values of polarisabilities to determine level shifts semi-empirically, produced &x.e values. An important feature of the technique is its s
Dipole polarizabilities and C6 dispersion coefficients for small atomic and molecular systems
โ Scribed by Valerio Magnasco; Massimo Ottonelli
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 367 KB
- Volume
- 259
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
โฆ Synopsis
An accurate evaluation of C 6 dispersion coefficients for long-range interactions involving H, He, H~-and H 2 has been performed using the London formula in terms of ab initio pseudostate decomposition of the static dipole polafizabilities of the individual atoms and molecules.
๐ SIMILAR VOLUMES
Dynamic polarizabilities with imaginary frequencies are calculated for Li(2s 2 S), Li(3s 2 S), Li(2p 2 P), C(2p 2 3 P), and O(2p 4 3 P) atoms with a time-dependent gauge-invariant method. Coulombic long-range interactions are deduced for various states of Li 2 , CO, and O 2 and compared to previous
Activity coefficients for the Ar-N,, CZH6-C2H4, and CSHB-CO2 systems are calculated from published vapour-liquid equilibrium compositions at various pressures and temperatures. The activity coefficients are correlated using a two parameter model based on the principles of molecular thermodynamics. T
## Abstract We have developed a methodology to derive RESP charges for molecular mechanical models that include โlone pairsโ on loneโpair donor sites and atomโcentered polarizabilities. This approach uses a very high level __ab initio__ ccโpVTZ basis set,1 where the multipole moments of the molecul