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|Citation:||Acta Crystallographica Section E: Structure Reports Online, 2012, Vol.68, 7, pp.o2277-o2278|
|Abstract:||The asymmetric unit of the title compound, C21H 18O2S, consists of two crystallographically independent molecules (A and B). The molecules exist in a trans conformation with respect to the central C=C bond. The naphthalene ring system makes dihedral angles of 51.62 (12) (molecule A) and 52.69 (12) (molecule B) with the benzene ring. In molecule A, the prop-2-en-1-one group forms dihedral angles of 22.84 (15) and 29.02 (12) with the adjacent naphthalene ring system and benzene ring, respectively, whereas the corresponding angles are 30.04 (12) and 23.33 (12) in molecule B. In the crystal, molecules are linked by intermolecular C - H?O hydrogen bonds into head-to-tail chains along the a axis. The crystal packing also features C - H?? interactions. The crystal studied was a pseudo-merohedral twin with twin law (100 01?0 001?) and a refined component ratio of 0.6103 (16):0.3897 (16). 2012 International Union of Crystallography.|
|Appears in Collections:||1. Journal Articles|
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