Abstract
A scheme for the complete characterization of seven-membered ring conformation is described. Parameters of puckering which are calculated directly from crystallographic coordinates are used to map the conformation onto a torus in relation to the various symmetrical forms.
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Boessenkool, I.K., Boeyens, J.C.A. Identification of the conformational type of seven-membered rings. Journal of Crystal and Molecular Structure 10, 11–18 (1980). https://doi.org/10.1007/BF01209549
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DOI: https://doi.org/10.1007/BF01209549