Abstract
Internal rotation was once thought to be essentially “free”. Thermodynamic studies gradually provided stronger evidence for the fact that internal rotation is not “free”. Despite the fact that internal rotational barriers are relatively small when compared to the total energy of a molecule or even of a bond, heat capacity, entropy, equilibrium constants, etc. contain appreciable contributions from internal rotation. From a chemist’s viewpoint it is then important that information be obtained on barriers to internal rotation. The prediction of barriers to internal rotation from factors such as substituent effects, electronegativities and nonbonded interactions have also proven to be useful.
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© 1980 D. Reidel Publishing Company
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Durig, J.R., Hudson, S.D. (1980). Special Applications of far Infrared Interferometry — Internal Rotation of Molecules with two c3v Rotors. In: Durig, J.R. (eds) Analytical Applications of FT-IR to Molecular and Biological Systems. NATO Advanced Study Institutes Series, vol 57. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9070-8_24
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DOI: https://doi.org/10.1007/978-94-009-9070-8_24
Publisher Name: Springer, Dordrecht
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