topomerization

Also contains definition of: topomers
https://doi.org/10.1351/goldbook.T06396
The @I02940@ leading to exchange of the positions of identical @L03518@. The indistinguishable molecular entities involved are called topomers. For example in the reaction below the two identical ligating atoms Na and Nb are interchanged by rotation about the C-aryl bond but may be identified by NMR @S05848@. This is a degenerate @I03295@.
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Source:
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2220 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014