The difference in energy between cis-and tram-1,2-difluoroethylene is accurately computed at the SCF level with near Hartree-Fock wavefunctions usmg either of two internally consistent sets of optimized geometries. The inaccuracy of calculations with smaller basis sets is attributed m part to an ove
Laser photoelectron spectroscopy of 1- and 2-naphthol: relative stability of the cis and trans cation rotamers
β Scribed by Chitra Lakshminarayan; Jonathan M. Smith; Joseph L. Knee
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 557 KB
- Volume
- 182
- Category
- Article
- ISSN
- 0009-2614
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The relative configuration of the title compounds has been determined by 'H-NMR measurements at 300 MHz. In contradistinction to prevailing opinion, it was found that 4-OXO derivatives prefer the cis-configuration. While the cis/truns ratio is 82: 18 for the parent 1,2,3,4,4a,9,10, lOa-octahydrophen
## Abstract The I~2~βcatalyzed isomerization of allyl chloride to __cis__β and __trans__β lβchloroβlβpropene was measured in a static system in the temperature range 225β329Β°C. Propylene was found as a side product, mainly at the lower temperatures. The rate constant for an abstraction of a hydroge
Emission spectra of tram-and cis-1.3.5hexatricnc radical cations have been obtained in the gas phase by controlled clcctron impact excitation. Tbc band systems arc assigned to the x 2Bg + x 2Au and x 2Aa -, 2 lB8 transitions of the cations of the trans and cis isomers. rcspcctivcly. by rcfcrcncc to