Estimation of zero-point energies of compounds containing N, O, Cl and F atoms
โ Scribed by Mustafa R. Ibrahim; Zacharia A. Fataftah
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 509 KB
- Volume
- 125
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Increments for N, 0, Cl and F atoms have been estabhshed and incorporated in the Schulman-Disch empirical formula for hydrocarbons to calculate the zero-point energies of organic and inorganic molecules containing these atoms. The correlation between the calculated and the reported zero-point energies for 102 molecules examined seems good, except for hexafluorobenzene. The rms deviation for all of these molecules is 1.28 kcal/mol, and 1.19 kcal/mol if hexafluorobenzene is neglected.
๐ SIMILAR VOLUMES
## AhStllWt Geometries, stabilities and spectroscopic properties of diatomic molecules containing H, B, C, N, 0, and F atoms have been studied using extended basis sets with recently introduced density functionals incorporating gradient corrections and some Hartree-Fock exchange. The errors on all
Hartree-Fock 6-31G(d) structures for the neutral, positive ion, and negative ion bimolecular complexes of NH3 with the firstand second-row hydrides AH, (AH, = NH3,0Hz, FH, PH3, SH2, and ClH) have been determined. All of the stable neutral complexes except (NH3)2, the positive ion complexes with NH3