A monoclinic polymorph of 1-(4-chloro­phen­yl)-3-(4-meth­oxy­phen­yl)prop-2-en-1-one

Jasinski, Jerry P. and Butcher, Ray J. and Narayana, B. and Samshuddin, S. and Yathirajan, H. S. (2010) A monoclinic polymorph of 1-(4-chloro­phen­yl)-3-(4-meth­oxy­phen­yl)prop-2-en-1-one. Acta Crystallographica Section E, 66 (2). o269-o270. ISSN 2056-9890

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Official URL: https://doi.org/10.1107/S1600536809054956


The crystal structure of the title compound, C16H13ClO2 (II), (space group P21/c,) is a polymorph of the structure, (I), reported by Harrison, Yathirajan, Sarojini, Narayana & Indira [Acta Cryst. (2006), E62, o1647–o1649] in the ortho­rhom­bic space group Pna21. The dihedral angle between the mean planes of the 4-chloro- and 4-meth­oxy-substituted benzene rings is 52.9 (1)° in (II) compared to 21.82 (6)° for polymorph (I). The dihedral angles between the mean planes of the prop-2-en-1-one group and those of the 4-chloro­phenyl and 4-methoxy­phenyl rings are 23.3 (3) and 33.7 (1)°, respectively. in (II). The corresponding values are 17.7 (1) and 6.0 (3)°, respectively, in polymorph (I). In the crystal, weak C—H⋯π inter­actions are observed.

Item Type: Article
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: C Swapna Library Assistant
Date Deposited: 30 Oct 2019 10:20
Last Modified: 30 Oct 2019 10:20
URI: http://eprints.uni-mysore.ac.in/id/eprint/9725

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