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Ground State Constants A0, DK0 and HK0 of CH3CN

✍ Scribed by R. Anttila; V.M. Horneman; M. Koivusaari; R. Paso

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 449 KB
Volume: 157
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1993.1016

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✦ Synopsis

The ground state constants (A_{0}, D_{0}^{X}), and (H_{0}^{X}) of the (\mathrm{CH}{3} \mathrm{CN}) molecule have been determined by combining the high-resolution Fourier transform spectra of the lowest fundamental band (\nu{8}), of the combination band (v_{7}+v_{8}), and of the hot band (v_{7}+v_{8}-v_{8}). The ground state term value differences (F(J, K+3)-F(J, K)) were deduced for five (K) values (0-4). From almost 400 differences. the following results (in (\mathrm{cm}^{-1}) ) were obtained: (A_{0}=5.2736171(26) . D_{0}^{K}=94.46(15) \times 10^{-6}). and (H_{0}^{\hat{K}}=5.2(24) \times 10^{-9}). 1993 Academic Press. Inc.

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