An approximate calculation of the barrier to internal rotation in ethane was made using a set of covalent valence bond structures involving only s and p orbitals.
The calculated result is sufficiently great that it does not appear that other effects are needed to explain the barrier height.
REFERENCES
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E. B.
Wilson
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Teller and Topley, J. Chem. Soc. 1935, 876.
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M. Kotani, Table of Molecular Integrals (Maruzen Company, Ltd., Tokyo, 1955).
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© 1959 American Institute of Physics.
1959
American Institute of Physics
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