The influence of basis set on the ab initio prediction of internal rotation barrier heights in ethene thiol

1992 ◽  
Vol 3 (1) ◽  
pp. 3-8 ◽  
Author(s):  
Christopher Plant ◽  
James E. Boggs ◽  
John N. Macdonald ◽  
Gwilym A. Williams
Keyword(s):  
Ab Initio ◽  
Internal Rotation ◽  
Basis Set ◽  
Rotation Barrier ◽  
Barrier Heights ◽  
Ab Initio Prediction ◽  
Internal Rotation Barrier

Determination of a High Barrier Hindering Internal Rotation from the Ground State Spectrum. The Methylbarrier of Propane

1985 ◽  
Vol 40 (3) ◽  
pp. 271-273 ◽  
Author(s):  
G. Bestmann ◽  
W. Lalowski ◽  
H. Dreizler
Keyword(s):  
Fine Structure ◽  
Internal Rotation ◽  
Ground State ◽  
Methyl Groups ◽  
Rotational Spectrum ◽  
Rotation Barrier ◽  
Rotation Axes ◽  
Internal Rotation Barrier ◽  
The Moment

The internal rotation barrier V3, the moment of inertia Iα of the methyl tops and the angle between the two internal rotation axes were determined from the torsional fine structure of the rotational spectrum in the torsional ground state. A tilt angle of 1.4° of the methyl groups toward each other results.

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