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Millimeter and submillimeter-wave spectrum of CHCl3. Determination of the h3 splitting constant

✍ Scribed by G. Cazzoli; G. Cotti; L. Dore

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 377 KB
Volume: 203
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)85392-2

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✦ Synopsis

The millimeter and submillimeter-wave spectrum of the ground state of CHJSCl, has been observed and analyzed up to J= 106. Theresultingspectroscopicconstantsare(inMHz):~=3302.07587(12),0,=1.511716( 66)~10~~,D,,=-2.51757(20)~10-~, H~~~=O.l268(12)~10-*, HJJK= -0.5000(30)~10-', H~=O.652(11)~10-*, L,=-0.178(55)x10-14. The millimeter-wave spectrum of CH"C1, has also been observed and analyzed providing the following values of the rotational constants (in MHz): B,=3l29.6loO7(57),D,=1.36571(64)x1O-3,D,,~-2.2769(51)x1O-',H,,,=O.l35(2O)x1O-8,H,,~=-O.78(l8)XlO-g, H,=O.283(49) X lo-'. The splitting of the K= 3 ground state lines of CH"C13 has been observed starting from the 5~46-45 transition and the value of the splitting constant h, is determined to be 0.15007(25) x 1O-g MHz.

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