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Second monoclinic form of (E)-3-(4-fluoro-phen-yl)-1-phenyl-prop-2-en-1-one.

ABSTRACT: The unit-cell dimensions and space group of the second monoclinic polymorph of the title compound, C15H11FO, differ from those of the previously reported form [Jing (2009 ?). Acta Cryst. E65, o2515]. The title compound shows an E conformation of the C=C bond with the 4-fluoro-phenyl group opposite to the benzoyl group. The torsion angle of between the planes of the 4-fluoro-phenyl and benzoyl groups is 10.53?(6)°. In the crystal, weak C-H?O and C-H?F inter-actions form a cross-linked packing motif, building sheets parallel to (-102).

SUBMITTER: Arias-Ruiz SN 

PROVIDER: S-EPMC3884345 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Second monoclinic form of (E)-3-(4-fluoro-phen-yl)-1-phenyl-prop-2-en-1-one.

Arias-Ruiz Saira N SN   Romero Nancy N   Lobato-García Carlos E CE   Gómez-Rivera Abraham A   Mendoza Angel A  

Acta crystallographica. Section E, Structure reports online 20131023 Pt 11

The unit-cell dimensions and space group of the second monoclinic polymorph of the title compound, C15H11FO, differ from those of the previously reported form [Jing (2009 ▶). Acta Cryst. E65, o2515]. The title compound shows an E conformation of the C=C bond with the 4-fluoro-phenyl group opposite to the benzoyl group. The torsion angle of between the planes of the 4-fluoro-phenyl and benzoyl groups is 10.53 (6)°. In the crystal, weak C-H⋯O and C-H⋯F inter-actions form a cross-linked packing mot  ...[more]

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