Structures, Energetics, and Transition States of the Silicon−Phosphorus Compounds Si2PHn(n= 7, 5, 3, 1). An ab Initio Molecular Orbital Study

1999 ◽  
Vol 103 (42) ◽  
pp. 8547-8558 ◽  
Author(s):  
Joanne M. Wittbrodt ◽  
H. Bernhard Schlegel
Keyword(s):  
Ab Initio ◽  
Molecular Orbital ◽  
Transition States ◽  
Phosphorus Compounds ◽  
Molecular Orbital Study ◽  
Orbital Study

Ab initio molecular orbital study of simple 1,3-dipolar reactions

1976 ◽  
Vol 29 (3) ◽  
pp. 465 ◽  
Author(s):  
D Poppinger
Keyword(s):  
Transition State ◽  
Ab Initio ◽  
Molecular Orbital ◽  
Transition States ◽  
Basis Sets ◽  
Molecular Orbital Calculations ◽  
Molecular Orbital Study ◽  
Orbital Study ◽  
Extended Basis ◽  
Optimized Geometries

Ab initio molecular orbital calculations with minimal and extended basis sets have been carried out for the 1,3-dipolar addition of fulminic acid to acetylene, ethylene, ethynamine and propynenitrile. Optimized geometries are reported for the transition states HCNO+C2H2, HCNO+C2H4, HCNO+ C2HNH2, for the adducts isoxazole and 2-isoxazoline, and for nitrosocyclopropene as a possible intermediate. The calculations indicate that (a) these 1,3-dipolar reactions are synchronous processes, (b) the geometry of the transition state is insensitive to substitution and (c) of the isomeric substituted adducts, 5-aminoisoxazole and isoxazole-4-carbonitrile should be formed preferentially.

Ab initio molecular orbital study of the gallium arsenide hydrides

1991 ◽  
Vol 95 (20) ◽  
pp. 7668-7673 ◽  
Author(s):  
Charles W. Bock ◽  
Kerwin D. Dobbs ◽  
Gilbert J. Mains ◽  
Mendel Trachtman
Keyword(s):  
Gallium Arsenide ◽  
Ab Initio ◽  
Molecular Orbital ◽  
Molecular Orbital Study ◽  
Orbital Study

Ab Initio Molecular Orbital Study of Organometallic Complexes Containing Benzo[b]thiophene

1998 ◽  
Vol 17 (17) ◽  
pp. 3798-3808 ◽  
Author(s):  
Michael S. Palmer ◽  
Stuart Rowe ◽  
Suzanne Harris
Keyword(s):  
Ab Initio ◽  
Molecular Orbital ◽  
Organometallic Complexes ◽  
Molecular Orbital Study ◽  
Orbital Study
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