DECOMPOSITION OF VIBRATIONALLY EXCITED 1,1,2,2-TETRAFLUORO-1-CHLOROETHANE

被引:17
作者
PRITCHARD, GO
PERONA, MJ
机构
[1] Department of Chemistry, University of California, Santa Barbara
关键词
D O I
10.1021/j100843a028
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
The decomposition of the ground-electronic state vibrationally excited molecule CF2ClCF2H, formed in the photolysis of CF2ClCOCF2H in the 3130-Å region and at room temperature, is found to produce C2F4 by HCl elimination. The production of C2F3Cl by HF elimination is very minor. C2F4 is also produced in another unspecified reaction, and is removed from the system, presumably by radical and/or atom attack. The inherent experimental complications in this and related systems are discussed. The disproportionation/combination ratio for CF2Cl radicals is found to be 0.17.
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页码:2944 / +
页数:1
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[1]   PHOTOCHLORINATION STUDIES .9. 1, 1-DICHLOROETHYLENE [J].
AYSCOUGH, PB ;
DAINTON, FS ;
FLEISCHF.BE .
TRANSACTIONS OF THE FARADAY SOCIETY, 1966, 62 (523P) :1838-&
[2]   HG 6(3P1) PHOTOSENSITIZATION OF CHLORODIFLUOROMETHANE [J].
BELLAS, MG ;
STRAUSZ, OP ;
GUNNING, HE .
CANADIAN JOURNAL OF CHEMISTRY, 1965, 43 (05) :1022-&
[3]   STURCTURAL ASPECTS OF KINETICS OF 4-CENTER REACTIONS IN VAPOR PHASE [J].
BENSON, SW ;
BOSE, AN .
JOURNAL OF CHEMICAL PHYSICS, 1963, 39 (12) :3463-&
[4]   ELIMINATION OF HF FROM HOT FLUORINATED ETHANES . AN ESTIMATION OF ACTIVATION ENERGIES AND RATE PARAMETERS [J].
BENSON, SW ;
HAUGEN, G .
JOURNAL OF PHYSICAL CHEMISTRY, 1965, 69 (11) :3898-&
[5]   PHOTODECOMPOSITION OF HALOGENATED KETONES .1. GAS PHASE PHOTOLYSIS OF 1,3-DICHLOROTETRAFLUOROACETONE [J].
BOWLES, R ;
ROBB, JC ;
MAJER, JR .
TRANSACTIONS OF THE FARADAY SOCIETY, 1962, 58 (476) :1541-&
[6]   INTERACTIONS OF METHYL AND DIFLUOROMETHYL RADICALS AND ELIMINATION OF HF FROM HOT 1,1-DIFLUOROETHANE [J].
BRYANT, JT ;
PRITCHAR.GO .
JOURNAL OF PHYSICAL CHEMISTRY, 1967, 71 (11) :3439-&
[7]   KINETICS OF THERMAL DECOMPOSITION OF ETHYL FLUORIDE [J].
DAY, M ;
TROTMAND.AF .
JOURNAL OF THE CHEMICAL SOCIETY A -INORGANIC PHYSICAL THEORETICAL, 1969, (02) :233-&
[8]   PHOTOLYSIS OF MIXTURES OF ACETONE AND HEXAFLUOROACETONE - COMBINATION REACTIONS OF METHYL AND TRIFLUOROMETHYL RADICALS [J].
GILES, RD ;
WHITTLE, E .
TRANSACTIONS OF THE FARADAY SOCIETY, 1965, 61 (511P) :1425-&
[9]   CHEMICAL ACTIVATION AND NONEQUILIBRIUM UNIMOLECULAR REACTIONS OF C2H5CL AND I,2-C2H4CL2 MOLECULES [J].
HASSLER, JC ;
SETSER, DW ;
JOHNSON, RL .
JOURNAL OF CHEMICAL PHYSICS, 1966, 45 (09) :3231-&
[10]   REACTION OF METHYLENE WITH DICHLOROMETHANE AND NONEQUILIBRIUM UNIMOLECULAR ELIMINATION REACTIONS OF I,I-C2H4CL2 AND I,I,2-C2H3CL3 MOLECULES [J].
HASSLER, JC ;
SETSER, DW .
JOURNAL OF CHEMICAL PHYSICS, 1966, 45 (09) :3237-&