Alternating C—C Bond Lengths in Gas-Phase (Benzene)chromium Tricarbonyl

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21 Scopus citations

Abstract

The microwave rotational spectrum of (1,2-D2]benzene)chromium tricarbonyl was measured in the 4–12 GHz range using a Flygare—Balle-type spectrometer. This spectrum contains transitions due to two different structural isomers of this complex. These results are interpreted in terms of a reduction of the symmetry of benzene to C3v due to interactions with the Cr(CO)3 moiety. One structural isomer (isomer E) occurs when the deuterium atoms are at the ends of a “long” C—C bond, the other (isomer 5), when the deuterium atoms are at the ends of a “short” C—C bond. The data indicate a difference of 0.016 Å in adjacent benzene C—C bond lengths in this complex.

Original languageEnglish (US)
Pages (from-to)5512-5514
Number of pages3
JournalJournal of the American Chemical Society
Volume117
Issue number20
DOIs
StatePublished - May 1995

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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