Abstract
Interaction of Co(II) chloride with optically active bis-pinane propylenediaminodioxime (H2L) gave a diamagnetic compound of Co(III) with a composition [Co(HL)Cl2]. The crystal and molecular structure of the compound was determined by X-ray diffraction (XRD) analysis (Enraf-Nonius CAD-4 diffractometer, λMoK α, 703 F hkl , R = 0.0347). The crystals are orthorhombic with unit cell parameters a = 8.989(1) A, b = 12.351(2) A, c = 22.425(3) A, V = 2487.7(6) A3, Z = 4, ρcalc = 1.420 g/cm3, space group P212121. The crystal structure of the complex is composed of discrete one-center molecules. In the complex, the Co3+ ion coordinates four N atoms of the tetradentate cycle-forming ligand (HL− anion) and two Cl atoms. The coordination polyhedron of Co is a distorted octahedron Cl2N4.
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