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D/H isotope effects in π-complexes of deuterated hexamethylbenzenes with the nitrosonium cation

Authors :
Borodkin, G. I.
Elanov, I. R.
Shakirov, M. M.
Shubin, V. G.
Source :
Russian Chemical Bulletin; September 1992, Vol. 41 Issue: 9 p1641-1645, 5p
Publication Year :
1992

Abstract

The isotope effects of deuterium, manifested in the<superscript>13</superscript>C NMR spectra of complexes of deuterated hexamethylbenzenes C<subscript>6</subscript>(CD<subscript>3</subscript>)<subscript>n</subscript>·(CH<subscript>3</subscript>)<subscript>6-n</subscript> with the nitrosonium cation, have been studied. The small values observed for the isotopic perturbation are evidence of p-bonding of the NO<superscript>+</superscript> group the hexamethylbenzene molecule. The applicability of an additive scheme of calculation of isotope effects for the ring carbon atoms of the complexes, based on the increments of replacement of the CH<subscript>3</subscript> group by CD<subscript>3</subscript> in hexamethylbenzene, has been demonstrated.

Details

Language :
English
ISSN :
10665285 and 15739171
Volume :
41
Issue :
9
Database :
Supplemental Index
Journal :
Russian Chemical Bulletin
Publication Type :
Periodical
Accession number :
ejs16684779
Full Text :
https://doi.org/10.1007/BF00863586