Cyclooctatetraene and related systems. An ab initio SCF LCAO MO study
โ Scribed by G. Wipff; U. Wahlgren; E. Kochanski; J.M. Lehn
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 334 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Minimal basis set non-empiricral SCF LCAO MO calculations on cyclooctatetiaene I, its &anion11 and its bicyclic valence tautomer III kad to i: ring inversion barrier of 17.8 kiral/mde for the ptient molecu!+ a phnar D,h structure for the dianion, and an energy difference of 3.9 kuijmok: bchveen I and III.
๐ SIMILAR VOLUMES
## A comparison of the electronic structures of the molecules OPFs and SPFs is performed within the framework of an ab initio SCF LCAO MO study. In complete agreement with the empirical assumptions provided by previous magneto-optical experiments, the (P-S) bond in SPFs is weaker, endowed with a h
Ab initio SCF LCAO hi0 calculations for the [ HzO.. Cl]complex have been performed. The energy of the linear hydrogen bond has been found to be.lower than the energy of the bifurcated one. The difference of the energies is about 3 kcai/mole. The calculated equilibrium distance between the oxygen and
Ab-initio calculations using three large gaussian basis sets arc reported for the unstable molecule SF2. The cffcct on tbc energy and computed geometry of polarhation functions and their expcrnents is examined, and a variety of one4cciron propertics computed.
Ab initio SCF-MO calculations at the 3-21G P level with full geometry optimization were performed for cis-1, trans-l-and 2 fluoro-I ,3-butadiene. The critical points for the rotation around the central C-C bond arc located and discussed. Trans-l-fluorobutadiene has a stable gauche form ( f?= 40.0" )