An examination of hydrogen exchange in CH5+ by the CNDO method

被引:22
作者
Ehrenson, S. [1 ]
机构
[1] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA
关键词
D O I
10.1016/0009-2614(69)85116-X
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
An energy surface study for the CH; ion by the CNDO/2 method reveals there may be pathways for racemization of configuration of alkanes. out of electrophilic protonation complexes. C-S symmetry ions. which are substantially more favorable than pathways for Walden inversion.
引用
收藏
页码:585 / 588
页数:4
相关论文
共 10 条
[1]  
ALLEN LC, 1966, QUANTUM THEORY ATOMS, P62
[2]  
EHRENSON S, IN PRESS J AM CHEM S
[3]   An investigation of the geometry of the CH(5)(+) ion by the CNDO method [J].
Gamba, A. ;
Morosi, G. ;
Simonetta, M. .
CHEMICAL PHYSICS LETTERS, 1969, 3 (01) :20-21
[4]  
HOGEVEEN H, 1968, RECL TRAV CHIM PAY B, V87, P219
[5]  
LOWE JP, 1968, PROGR PHYS ORGANIC C, V6, P46
[6]   CHEMISTRY IN SUPER ACIDS .3. PROTONATION OF ALKANES AND INTERMEDIACY OF ALKANONIUM IONS PENTACOORDINATED CARBON CATIONS OF CH5+ TYPE . HYDROGEN EXCHANGE PROTOLYTIC CLEAVAGE HYDROGEN ABSTRACTION AND POLYCONDENSATION OF METHANE ETHANE 2,2-DIMETHYLPROPANE (NEOPENTANE) AND 2,2,3,3-TETRAMETHYLBUTANE IN FSO3H-SBF5 (MAGIC ACID) SOLUTION [J].
OLAH, GA ;
KLOPMAN, G ;
SCHLOSBERG, RH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1969, 91 (12) :3261-+
[8]   APPROXIMATE SELF-CONSISTENT MOLECULAR ORBITAL THEORY .3. CNDO RESULTS FOR AB2 AND AB3 SYSTEMS [J].
POPLE, JA ;
SEGAL, GA .
JOURNAL OF CHEMICAL PHYSICS, 1966, 44 (09) :3289-&
[9]   PSEUDO-ROTATION IN HYDROLYSIS OF PHOSPHATE ESTERS [J].
WESTHEIMER, FH .
ACCOUNTS OF CHEMICAL RESEARCH, 1968, 1 (03) :70-+
[10]   APPLICATION OF POPLE-SANTRY-SEGAL COMPLETE NEGLECT OF DIFFERENTIAL OVERLAP (CNDO) METHOD TO SOME HYDROCARBONS AND THEIR CATIONS [J].
WIBERG, KB .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1968, 90 (01) :59-+