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N-[(9-Ethyl-9H-carbazol-3-yl)methylidene]-3,4-dimethylisoxazol-5-amine
Journal article   Open access  Peer reviewed

N-[(9-Ethyl-9H-carbazol-3-yl)methylidene]-3,4-dimethylisoxazol-5-amine

Abdullah M. Asiri, Salman A. Khan, Kong Wai Tan and Seik Weng Ng
Acta crystallographica. Section E, Crystallographic communications, Vol.66(8), pp.O2046-U1453
01/08/2010
DOI: https://doi.org/10.1107/S1600536810027686
PMID: 21588353

Abstract

Crystallography Physical Sciences Science & Technology
The azomethine double bond in the title Schiff base, C20H19N3O, has an E configuration. The 13-membered carbazolyl fused ring system [r.m.s. deviation = 0.023 (9) A] is nearly coplanar with the five-membered pyrazole ring [r.m.s. deviation = 0.003 (4) A]; the dihedral angle between the two systems is 10.8 (2)degrees. The crystal studied was a non-merohedral twin having a 35% minor component.
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