THE VINYL RADICAL INVESTIGATED BY INFRARED DIODE-LASER KINETIC SPECTROSCOPY

被引:59
作者
KANAMORI, H [1 ]
ENDO, Y [1 ]
HIROTA, E [1 ]
机构
[1] INST MOLEC SCI,OKAZAKI,AICHI 444,JAPAN
关键词
D O I
10.1063/1.458462
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A c-type band was observed at around 895 cm-1 by infrared diode laser kinetic spectroscopy combined with the excimer laser photolysis of vinyl halides at 193 nm and was assigned to the CH2 wagging mode of the vinyl radical. The band was found to consist of two component bands separated by 0.0541(11) cm-1. Both component bands showed clearly the statistical weight in an alternative way, that is, if one shows the weight 1:3 for even:odd Ka levels, the other exhibits 3:1, indicating that the radical is of C2v effective symmetry, executing a double-minimum motion probably associated with the C-H in-plane rocking vibration. The upper states of the two bands were found to be perturbed weakly, possibly by a Coriolis interaction with the first overtone state of the C-H rocking mode. © 1990 American Institute of Physics.
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页码:197 / 205
页数:9
相关论文
共 16 条
[1]   THE LABORATORY MILLIMETER AND SUBMILLIMETER SPECTRUM OF HCO [J].
BLAKE, GA ;
SASTRY, KVLN ;
DELUCIA, FC .
JOURNAL OF CHEMICAL PHYSICS, 1984, 80 (01) :95-101
[2]   ESR STUDY OF ETHYNYL + VINYL FREE RADICALS [J].
COCHRAN, EL ;
ADRIAN, FJ ;
BOWERS, VA .
JOURNAL OF CHEMICAL PHYSICS, 1964, 40 (01) :213-&
[3]   SYSTEMATIC GVB STUDY OF HARMONIC VIBRATIONAL FREQUENCIES AND DIPOLE-MOMENT DERIVATIVES - THE VINYL RADICAL C2H3 AND OTHER SIMPLE MOLECULES [J].
DUPUIS, M ;
WENDOLOSKI, JJ .
JOURNAL OF CHEMICAL PHYSICS, 1984, 80 (11) :5696-5702
[4]   ELECTRON SPIN RESONANCE STUDIES OF TRANSIENT ALKYL RADICALS [J].
FESSENDEN, RW ;
SCHULER, RH .
JOURNAL OF CHEMICAL PHYSICS, 1963, 39 (09) :2147-&
[5]  
GORDY W, 1984, MICROWAVE MOL SPECTR, P684
[6]  
Guelachvili G., 1986, HDB INFRARED STANDAR
[7]   MICROWAVE-SPECTRUM OF METHYLENE FLUORIDE-D2, CD2F2 IN EXCITED VIBRATIONAL-STATES [J].
HIROTA, E ;
SAHARA, M .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1975, 56 (01) :21-38
[8]   VISIBLE ELECTRONIC ABSORPTION-SPECTRUM OF VINYL RADICAL [J].
HUNZIKER, HE ;
KNEPPE, H ;
MCLEAN, AD ;
SIEGBAHN, P ;
WENDT, HR .
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1983, 61 (05) :993-995
[9]   INFRARED DIODE-LASER KINETIC SPECTROSCOPY OF TRANSIENT MOLECULES PRODUCED BY EXCIMER LASER PHOTOLYSIS - APPLICATION TO THE SO RADICAL [J].
KANAMORI, H ;
BUTLER, JE ;
KAWAGUCHI, K ;
YAMADA, C ;
HIROTA, E .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1985, 113 (01) :262-268
[10]   INFRARED-LASER KINETIC SPECTROSCOPY OF A PHOTOFRAGMENT CS GENERATED BY PHOTODISSOCIATION OF CS2 AT 193 NM - NASCENT VIBRATIONAL ROTATIONAL TRANSLATIONAL DISTRIBUTION OF CS [J].
KANAMORI, H ;
HIROTA, E .
JOURNAL OF CHEMICAL PHYSICS, 1987, 86 (07) :3901-3905