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The Microwave Spectrum and Quadrupole Coupling Constants of cis-2-Chlorophenol

✍ Scribed by Masao Onda; Norio Okada; Yaeko Fujita; Tsuaki Odaka

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
76 KB
Volume
214
Category
Article
ISSN
0022-2852

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✦ Synopsis

The rotational spectrum of cis-2-chlorophenol was observed from 5 to 12 GHz by molecular beam Fourier transform microwave spectrometer (MB-FTMW). The rotational and quadrupole coupling constants for the 35 Cl of the molecule were determined: A = 2985.4479(22) MHz, B = 1549.8591(3) MHz, C = 1020.1915(1) MHz, Ο‡ aa = -68.2429(83) MHz, Ο‡ -= -0.922(20) MHz, Ο‡ ab = -11.4( 19) MHz. The quadrupole coupling constants of the chlorine nuclei of cis-2-chlorophenol were nearly equal to that of the chlorobenzenes. We concluded that the electric field gradient of the chlorine atom in cis-2-chlorophenol is similar to that of other chlorobenzenes, although the suggestion of intramolecular hydrogen bonding.

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