A copper(II) complex of a sulfonate derivative of chrysin, 5,7-bihydroxyflavone-6-sulfonate, Cu(C15H8O7S)(3H2O), has been prepared. The complex was characterized by elemental analysis, spectroscopic measurements and single-crystal X-ray diffraction studies. It crystallizes in the monoclinic space group C2/c, with a = 16.036(18), b = 6.944(8), c = 28.03(3) Å, = 94.463(17)°, V = 3112(6) Å3, Z = 8. In the complex, Cu(II) is five-coordinate and all donors are oxygen atoms. Hydrogen bonds and - stacking interactions in the crystal lead to the formation of a three-dimensional supramolecular motif.
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Document Type: Research Article
School of Chemistry and Material Science, Shaanxi Normal University, Xi'an 710062, P.R. China
School of Chemistry and Material Science, Shaanxi Normal University, Xi'an 710062, P.R. China,Department of Chemistry, Shaanxi University of Technology, Han'zhong 723001, P.R. China
July 1, 2007