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Microwave spectroscopic determination of the dipole moment of cyclopropenylidene, C3H2

โœ Scribed by Hiroyuki Kanata; Satoshi Yamamoto; Shuji Saito

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
308 KB
Volume
140
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Stark effects were measured for the 2r2-lo1 (85 GHz) and 441-330 (266 GHz) transitions of cyclopropenylidene, C3H2, with a parallel-plate cell designed for transient molecules. From the least-squares analysis of the Stark shifts the dipole moment of &Hz was determined to be 3.43( 2) D, where the error is three standard deviations. The dipole moment obtained is in good agreement with predictions by ab initio calculations.

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