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MINDO/3 calculations of hyperpolarizabilities of fluoromethanes

✍ Scribed by Michael J.S. Dewar; Sung Ho Suck; Paul K. Weiner; John G. Bergman Jr.


Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
152 KB
Volume
38
Category
Article
ISSN
0009-2614

No coin nor oath required. For personal study only.

✦ Synopsis


C&uLtions

of etcctric +&&ifitics nf molecuf~s by ttrc hfIND013 semicmpiriwl SW M8 method have been extended to ltypcrpolar~~dbilitics. Kesults for CH31:, CIIZFZ, and CflF3 afree much better witb experiment 1l~r11 those Ixuviourly rcported.


πŸ“œ SIMILAR VOLUMES


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## Czkulations al ESCA chemical shifts, using Jolly's equivalent core approximation 2nd the MIND0/3 semi~1~pIk5 SCF hIC? method, hzve given resu!ts in resonable agreement with experiment.

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## Abstract Heats of formation calculated by MINDO/3 are reported for 42 carbocations for which experimental heats of formation have been published. Errors associated with these calculations can be large, with an overall range of Β±13 kcal/mol. Correction of systematic errors in the MINDO/3 calculat

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✍ I.A. Maslianitsin; V.D. Shigorin; G.P. Shipulo πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 292 KB

First-order hyperpolarizabilities fl of some organic molecules are calculated by the CNDO/S-CI method, with an account taken of intermolecular interactions. The molecular hyperpolarizability is shown to deviate by more than one order of magnitude because of these interactions. The results, obtained

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The minimum energy paths for the isomerization of singlet ethylcarbene to propylene and cyclopropane have been calculated by MINDO/Z. The formation of the olefin presents no energy barrier but a critical energy of 1.4 kcal mol-' was found in the path to cyclopropane formation.