A PHOTOELECTRON AND AB-INITIO STUDY OF THE CH3SCH2 RADICAL

被引:23
作者
BAKER, J [1 ]
DYKE, JM [1 ]
机构
[1] UNIV SOUTHAMPTON,DEPT CHEM,SOUTHAMPTON S09 5NH,ENGLAND
关键词
D O I
10.1016/0009-2614(93)85129-C
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 new partially structured photoelectron band appearing early in the F + CH3SCH 3 reaction has been assigned to the primary reaction product, CH3SCH2. This band, with adiabatic and vertical ionisation energies of 6.85+/-0.03 and 7.16+/-0.03 eV, respectively, shows structure in two vibrational modes, with omega1 = 870 +/- 70 cm-1 and omega2 = 390 +/- 100 cm-1, which can be assigned to the S-CH2 stretch and the C-S-C deformation modes of the ion. These assignments are consistent with the results of ab-initio calculations conducted at the SCF and MP2 levels.
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页码:257 / 261
页数:5
相关论文
共 15 条
[1]   HIGH-PRESSURE DISCHARGE FLOW KINETICS STUDY OF OH+CH3SCH3, CH3SSCH3-] PRODUCTS FROM 297-K TO 368-K [J].
ABBATT, JPD ;
FENTER, FF ;
ANDERSON, JG .
JOURNAL OF PHYSICAL CHEMISTRY, 1992, 96 (04) :1780-1785
[2]  
AMOS RD, 1987, CADPAC CAMBRIDGE ANA
[3]  
Cockett M. C. R., 1991, VACUUM ULTRAVIOLET P, P43
[4]   VACUUM ULTRAVIOLET PHOTOELECTRON-SPECTROSCOPY OF TRANSIENT SPECIES .7. METHYL RADICAL [J].
DYKE, J ;
LEE, E ;
MORRIS, A .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II, 1976, 72 :1385-1396
[5]  
ELLIS AR, 1985, THESIS U SOUTHAMPTON, P195
[6]   SELF-CONSISTENT MOLECULAR-ORBITAL METHODS .23. A POLARIZATION-TYPE BASIS SET FOR 2ND-ROW ELEMENTS [J].
FRANCL, MM ;
PIETRO, WJ ;
HEHRE, WJ ;
BINKLEY, JS ;
GORDON, MS ;
DEFREES, DJ ;
POPLE, JA .
JOURNAL OF CHEMICAL PHYSICS, 1982, 77 (07) :3654-3665
[7]  
Hehre W.J., 1987, AB INITIO MOL ORBITA
[8]   SELF-CONSISTENT MOLECULAR-ORBITAL METHODS .12. FURTHER EXTENSIONS OF GAUSSIAN-TYPE BASIS SETS FOR USE IN MOLECULAR-ORBITAL STUDIES OF ORGANIC-MOLECULES [J].
HEHRE, WJ ;
DITCHFIELD, R ;
POPLE, JA .
JOURNAL OF CHEMICAL PHYSICS, 1972, 56 (05) :2257-+
[9]  
Herzberg G., 1966, MOL SPECTRA MOL STRU, VIII
[10]   PHOTOELECTRON SPECTRUM OF F2CS AND FLUORINE SUBSTITUTION SHIFTS [J].
KROTO, HW ;
SUFFOLK, RJ .
CHEMICAL PHYSICS LETTERS, 1972, 17 (02) :213-216