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- W2073235006 abstract "C17H14O4, M(r) = 282.30, monoclinic, P2(1)/c, a = 12.498 (4), b = 9.490 (2), c = 12.184 (2) angstrom, beta = 107.87 (2)degrees, V = 1375.4 (6) angstrom 3, Z = 4, D(x) = 1.36 g cm-3, Cu K-alpha, lambda = 1.54178 angstrom, mu = 7.98 cm-1, F(000) = 592, T = 291 K, R = 0.042 for 1848 observed reflections. The benzopyran heterocycle is planar within experimental errors (max. deviation from the best mean plane through the ten atoms 0.031 angstrom). The dihedral angle between the heterocycle and the phenyl ring is 23.5 (5)degrees. The methoxy groups are nearly coplanar with their aromatic rings (torsion angles about C(arom)-O are 4-6-degrees)." @default.
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- W2073235006 date "1991-05-15" @default.
- W2073235006 modified "2023-10-03" @default.
- W2073235006 title "Structure of 7-methoxy-2-(2-methoxyphenyl)-4H-1-benzopyran-4-one (2',7-dimethoxyflavone)" @default.
- W2073235006 doi "https://doi.org/10.1107/s0108270190010447" @default.
- W2073235006 hasPublicationYear "1991" @default.
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