Abstract
Two new dinuclear Schiff base cadmium(II) complexes with the formulae [Cd2(DM)2(NCS)2] (1) and [Cd2(MP)2(NO3)2] (2) (DM is 2-[(3-dimethylaminopropylimino)methyl]-6-methoxyphenolate, MP is 2-methoxy-6-[(2-morpholin-4-ylethylimino)methyl]pheno- late), were prepared and characterized by physicochemical methods and single crystal X-ray determination. Complex (1) crystallizes in orthorhombic system space group Pca21, with a = 16.185(2) Å, b = 11.506(2) Å, c = 35.989(3) Å, V = 6702.0(15)°, Z = 8, R gt(F) = 0.0372, wR ref(F 2) = 0.0713, and T = 298(2) K. Complex (2) crystallizes in monoclinic system space group P2/c, with a = 18.759(2) Å, b = 8.379(1) Å, c = 22.771(2) Å, β = 113.794(3)°, V = 3275.0(6)°, Z = 4, R gt(F) = 0.0739, wR ref(F 2) = 0.1944, and T = 298(2) K. Single-crystal X-ray diffraction analysis reveals that both complexes are structurally similar phenolate O-bridged dinuclear cadmium compounds. The Cd atoms in (1) are six-coordinated in octahedral geometry, while those in (2) are seven-coordinated in distorted pentagonal bipyramidal geometry.
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