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Determination of the crystal and molecular structure of 1,4-bis(p-chlorobenzoyl)-5-methylene-7-methyl-2,3,4,5-tetrahydro-1H-1,4-diazepine
Authors:Bremner  J. B.  Donovan  W. F.  Jarvis  W. R. C.  Ladd  M. F. C.
Affiliation:(1) Department of Chemistry, University of Tasmania, G.P.O. Box 252C, 7001 Hobart, Tasmania, Australia;(2) Department of Chemical Physics, University of Surrey, GU2 5XH Guild ford, Surrey, England
Abstract:The crystal and molecular structure of 1,4-bis(p-chlorobenzoyl)-5-methylene-7-methyl-2,3,4,5-tetrahydro-1H-1,4-diazepine has been determined by X-ray methods. The crystals are triclinic,P¯1,a = 10.605,b = 13.054,c = 7.351 Å, agr = 94.24, beta = 101.53, gamma = 101.55 °,Z = 2. The structure was solved by direct methods, and refined by full-matrix least squares toR = 5.6% on 3495 ldquoobservedrdquo reflections. The structure is of the enamide form with diacylation on nitrogen. There are no abnormal bond lengths or intermolecular contacts.
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