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Microwave spectra of isotopic benzonitriles. Refined molecular structure of benzonitrile

Authors
Journal
Journal of Molecular Structure
0022-2860
Publisher
Elsevier
Publication Date
Volume
8
Identifiers
DOI: 10.1016/0022-2860(71)80056-x

Abstract

Abstract The microwave spectra of benzonitrile and nine isotopic species have been reinvestigated including Q-branch transitions. The derived rotational constants, corrected for centrifugal distortion, are of higher accuracy than in earlier work. The resulting refined substitution structure of bsnzonitrile shows the same characteristic shortening of the ring bonds nearest to the substituent as in fluorobenzene.

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