1968 Volume 41 Issue 5 Pages 1088-1090
The microwave spectrum of o-difluorobenzene has been studied in the 7.8- to 28-Gc/sec region, R- and Q-branch transitions of the a-type being assigned for the lowest vibrational state. The rotational constants obtained are A=3263.55 Mc/sec, B=2227.91 Mc/sec, and C=1323.87 Mc/sec. Four possible sets of structural parameters were obtained. seems probable that the angle made by two C–F bonds is larger than 60°. The value of the dipole moment obtained is 2.46±0.03 D.
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