A second orthorhombic polymorph of 4-{[(1E,2E)-3-(4-methoxyphenyl)prop-2-en-1-ylidene]amino}-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

The second orthorhombic polymorph of the title compound, C21H21N3O2, (I), crystallizes in space group Pna21, compared to Pbca for the first orthorhombic polymorph (Ii) [Obasi et al. (2016). J. Mol. Struct. 1120, 180–186]. The difference in the structure of the two polymorphs resides in the orientati...

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Principais autores:	M. G. Shankar, A. Subashini, R. Kumaravel, T. C. Sabari Girisun, K. Ramamurthi, Aurélien Crochet, Helen Stoeckli-Evans
格式:	Artigo
语言:	Inglês
出版:	International Union of Crystallography 2026-03-01
丛编:	Acta Crystallographica Section E: Crystallographic Communications
主题:	crystal structure 4-aminoantipyrine acrylaldehyde polymorphism positional disorder hydrogen bonding hirshfeld surface fingerprint plots
在线阅读:	https://journals.iucr.org/paper?S2056989026001039
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