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(2E)-1-{4-[(1E)-Benzylideneamino]phenyl}-3-phenylprop-2-en-1-one

✍ Scribed by Harrison, William T. A. ;Ravindra, H. J. ;Kumar, M. R. Suresh ;Dharmaprakash, S. M.

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
518 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 22 H 17 NO, the dihedral angles between the central benzene ring and the two terminal phenyl rings are 48.20 (4) and 49.62 (4) , resulting in a substantially twisted molecular conformation. Weak C-HÁ Á Á interactions help to consolidate the centrosymmetric crystal packing.

Related literature

For background, see: Harrison et al. (2007). Experimental Crystal data C 22 H 17 NO M r = 311.37 Monoclinic, P2 1 =c a = 16.8172 (15) A b = 5.9146 (4) A c = 16.6777 (15) A = 93.501 (1) V = 1655.8 (2) A ˚3 Z = 4 Mo K radiation = 0.08 mm À1 T = 291 (2) K 0.49 Â 0.43 Â 0.31 mm Data collection Bruker SMART1000 CCD diffractometer Absorption correction: none 8346 measured reflections 3232 independent reflections 2371 reflections with I > 2(I) R int = 0.037 Refinement R[F 2 > 2(F 2 )] = 0.039 wR(F 2 ) = 0.100 S = 1.02 3232 reflections

📜 SIMILAR VOLUMES

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In the title compound, C 17 H 16 N 2 O 3 , the dihedral angle between the benzene rings is 1.56 (7) . The nitro group is coplanar with the attached benzene ring while the dimethylamino group is twisted slightly away from the attached benzene ring. A weak intramolecular C-HÁ Á ÁO hydrogen bond is pre

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Geometric parameters of the title compound, C~16~H~14~O~2~S, a chalcone derivative, are in the usual ranges. The C=C double bond has a __trans__ configuration. The essentially planar molecules (r.m.s. deviation for all non-H atoms = 0.034 Å) crystallize in planes parallel to the (\overline{1}40) pla