Rotational barrier of the allylcopper complex. An ab initio molecular-orbital study
β Scribed by M. Merchan; R. Gonzalez-Luque; I. Nebot-Gil; F. Tomas
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 364 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0009-2614
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π SIMILAR VOLUMES
Ab initio molecular orbital calculations are performed on the guanidmium ion using the STO-3G and 4-3 1G basis sets. Values for the single. double, and tripte rigid barriers of rotation, aiong with values for the geometry optimized single barrier of rotation are obtained. In addition, molecular orbi
Kcccivud 4 Ocrobcr I97 3 Gaussian orbital calculations 01. the ESR coupling consrunts in the PI-2 radical arc prescnred, in cscellcnt agree mcnt with experiment.
Polarization and correlation effects on the nitrogen inversion barrier of some three-membered rings have been investigated. The characteristics of the barrier have been analyzed in terms of perturbation theory arguments. This analysis shows that the HOMO is the orbital that changes more dramatically
The structure of the complex AIF,( and its inherent bonding have been studied using Hartree-Fock calculations with extended basis sets like DZP and TZ2P. The calculations result in a six-membered cyclic structure for the local mmimum. The six-membered ring is built of two weakly deformed HF molecule
The rotatxonal energy btier in carbonyIyiide CH~OCH~ IS studied using RHF CI calculations J&pending on the sizi, of the CS and the basis set (STO-3G and 4-31G), values m the iange 13-17 kcal/molare found. At this level of calcuhtion. the rmd-point of the isomenzatzon process can be mainly described