A second monoclinic polymorph of 4,4′-[butane-1,4-diylbis(nitrilomethylidyne)]dibenzonitrile
The asymmetric unit of the title Schiff base compound, C20H18N4, contains one half-molecule, lying across a crystallographic inversion centre and adopting an E configuration with respect to the C=N bonds. The imino group is coplanar with the benzene ring with a maximun deviation of 0.096 (...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
International Union of Crystallography
2008-12-01
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Series: | Acta Crystallographica Section E |
Online Access: | http://scripts.iucr.org/cgi-bin/paper?S1600536808037537 |