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Millimeter- and submillimeter-wave spectra of the vibrationally excited CCD radical

✍ Scribed by Yasuki Endo; Hideto Kanamori; Eizi Hirota

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
392 KB
Volume
160
Category
Article
ISSN
0009-2614

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✦ Synopsis

The pure rotational spectrum of the deuterated ethynyl radical, CCD, in the vz = 1' and uz=2' states was observed in the mlllimeter-and submillimeter-wave region, yielding further information on the vibronic mteraction between the % %+ and A % states. Precise molecular constants have been determined for the two vibrational states. The rotational constant changed nonlinearly with the vz quantum number. The effective spin-orbit interaction constant in v2 = 1 was -6365.7 ( ) MHz, compared with -10391.58( ) MHz for CCH in u2= 1. The vibration-rotation constants cr2 of CCH and CCD are discussed in terms of the vibronic mteraction between A and .%.

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