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Dipole Moment of the Lowest Π Bending State of (HCN)2

✍ Scribed by A. Grushow; W.A. Burns; K.R. Leopold

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
567 KB
Volume
170
Category
Article
ISSN
0022-2852

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✦ Synopsis

The dipole moment of the lowest II bending state of ((\mathrm{HCN})_{2}) has been determined by tunable far-infrared Stark spectroscopy to be 6.023(31) D. This represents a reduction in dipole moment of (0.54(5)) D relative to the ground state, which is over five times too large for simple harmonic oscillations of uncoupled rods. Although qualitative comparison with related systems suggests the possibility of a secondary minimum near the T-shaped configuration, electrostatic modeling does not support the existence of such a feature. C 1995 Academic Press. Inc.

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