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5,7-Dimethoxy-3-(4-methoxyphenyl)-4H-chromen-4-one

✍ Scribed by Li, Huan-Qiu ;Xiao, Zhu-Ping ;Han, Yue ;Fang, Rui-Qin ;Zhu, Hai-Liang

Publisher: International Union of Crystallography
Year: 2007
Tongue: English
Weight: 436 KB
Volume: 63
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536807041773

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✦ Synopsis

In the genistein-related title molecule, C 18 H 16 O 5 , the dihedral angle between the two benzene rings is 59.25 (6) .

Related literature

For reference structural data, see: Allen et al. (1987). For background, see: Kim et al. (2004); Li et al. (2006). Experimental Crystal data C 18 H 16 O 5 M r = 312.31 Triclinic, P1 a = 8.5649 (10) A b = 10.3212 (13) A c = 10.5563 (13) A = 63.783 (2) = 71.937 (2) = 65.953 (2) V = 754.83 (16) A ˚3 Z = 2 Mo K radiation = 0.10 mm À1 T = 298 (2) K 0.20 Â 0.15 Â 0.15 mm Data collection Bruker SMART CCD diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2001) T min = 0.980, T max = 0.985 4140 measured reflections 2855 independent reflections 2134 reflections with I > 2(I) R int = 0.016 Refinement R[F 2 > 2(F 2 )] = 0.053 wR(F 2 ) = 0.145 S = 1.03 2855 reflections

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