A catemer-to-dimer structural transformation in cyheptamide

Florence, A.J. and Shankland, K. and Gelbrich, T. and Hursthouse, M.B. and Shankland, N. and Johnston, Andrea and Fernandes, P. and Leech, C.K. (2008) A catemer-to-dimer structural transformation in cyheptamide. CrystEngComm, 10. pp. 26-28. ISSN 1466-8033 (http://dx.doi.org/10.1039/b712547j)

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Abstract

A catemeric crystal structure of cyheptamide undergoes a transformation in the solid-state upon heating to produce a dimer-based form whose structure has been determined from laboratory X-ray powder diffraction (XRPD) data, thereby providing the first conclusive evidence of a carbamazepine analogue crystallising in both hydrogen bonded motifs.