Abstract
A new cadmium(II) complex [(C28H24N6)Cd(SCN)2]2(CH3OH)2 (1) has been synthesized and characterized by IR, UV spectra, TG-DTA technique and single crystal X-ray diffraction analysis. The crystallographic data for compound 1: triclinic P1¯, a = 9.630(2) A, b = 11.123(3) A, c = 15.396(4) A, α = 106.93(1)°, β = 91.60(1)°, γ = 99.99(1)°, V = 1,548.5(6) A3, Z = 1, Dc = 1.512 mg/m3, F(000) = 716, R 1 = 0.0332, wR 2 = 0.0907. The molecule contains a symmetrical dinuclear unit in which two Cd(II) ions are double bridged by two di-μ-1,3-SCN− anoins with a cadmium–cadmium separation of 6.48 A. Each Cd(II) ion is seven-coordinated with six nitrogen atoms and a sulfur atom to form a monocapped trigonal prism coordination geometry. In addition, the molecule is further connected by multiform intermolecular C–H···π, π···π interactions and hydrogen bonds to form a three-dimensional supramolecular structure. A hepta-coordinated Cd(II) complex which exhibits a distorted a monocapped trigonal prism coordination geometry has been achieved by using bisbidentate Schiff-base ligand and thiocyanate anion.
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