Computational study on the kinetics of the reaction of N(4S) with CH2F

被引:34
作者
Cimas, A
Aschi, M
Barrientos, C
Rayón, VM
Sordo, JA
Largo, A [1 ]
机构
[1] Univ Valladolid, Fac Ciencias, Dept Quim Fis, E-47005 Valladolid, Spain
[2] Univ Aquila, Dipartimento Chim Ingn Chim & Mat, I-67010 Laquila, Italy
[3] Univ Oviedo, Fac Quim, Dept Quim Fis & Analit, Lab Quim Computact, E-33006 Oviedo, Spain
关键词
D O I
10.1016/S0009-2614(03)00771-1
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 computational study, in the framework of statistical kinetic theories, of the reaction of CH2F radicals with N(S-4) has been carried out. The kinetically preferred products are the most stable ones, HFCN + H. Nevertheless the second most stable products, t-FCNH + H, are only found in residual quantities, whereas the kinetic calculations show that H2CN + F (less stable than t-FCNH+H by nearly 8 kcal/mol) are the second most favoured products. At any value of internal energy elimination of a hydrogen atom from the starting intermediate (FCH2N) is always preferred over elimination of a fluorine atom. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:594 / 600
页数:7
相关论文
共 31 条
[1]  
Baer T., 1996, UNIMOLECULAR REACTIO, P305
[2]  
BARTLETT RJ, 1994, REV COMPUTATIONAL CH, V5
[3]   DENSITY-FUNCTIONAL THERMOCHEMISTRY .2. THE EFFECT OF THE PERDEW-WANG GENERALIZED-GRADIENT CORRELATION CORRECTION [J].
BECKE, AD .
JOURNAL OF CHEMICAL PHYSICS, 1992, 97 (12) :9173-9177
[4]   GAUSSIAN-2 THEORY FOR MOLECULAR-ENERGIES OF 1ST-ROW AND 2ND-ROW COMPOUNDS [J].
CURTISS, LA ;
RAGHAVACHARI, K ;
TRUCKS, GW ;
POPLE, JA .
JOURNAL OF CHEMICAL PHYSICS, 1991, 94 (11) :7221-7230
[6]   A road map for the calculation of molecular binding energies [J].
Dunning, TH .
JOURNAL OF PHYSICAL CHEMISTRY A, 2000, 104 (40) :9062-9080
[7]  
Forst W., 1973, THEORY UNIMOLECULAR
[8]   CRITERION OF MINIMUM STATE DENSITY IN THE TRANSITION-STATE THEORY OF BIMOLECULAR REACTIONS [J].
GARRETT, BC ;
TRUHLAR, DG .
JOURNAL OF CHEMICAL PHYSICS, 1979, 70 (04) :1593-1598
[9]   ATMOSPHERIC CHEMISTRY OF TITAN - ABINITIO STUDY OF THE REACTION BETWEEN NITROGEN-ATOMS AND METHYL RADICALS [J].
GONZALEZ, C ;
SCHLEGEL, HB .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (23) :9118-9122
[10]  
HEHRE WJ, 1986, INITIO MOL ORBITAL T