Abstract
The reaction of (n-Bu4N)[ReOCl4] with 3-hydroxypicolinic acid (HL1) in benzene and ethanol yields the green (n-Bu4N) [ReOCl3 (L1)] (1) and blue [ReOCl(L1)2] (2) complexes, respectively. Elemental analysis, infrared. 1H NMR and conductivity results indicate that the ligand L1− acts as a monoanionic bidentate N,O-donor chelate in these complexes. Complexes 1 and 2 were also characterized by X-ray crystallography. Crystal data: C22H40Cl3N2O4Re (1): monoclinic space group P21/n, a = 8.111(3), b = 20.842(8), c = 16.722(7)Å, β = 98.14(3)°, V = 2794(2)Å3, Z = 4, Dcalc = 1.638Mg m−3; structure solution and refinement based on 2451 reflections (Mo Kα, λ = 0.710 73Å) converged at R = 0.044. C12H8ClN2O7Re (2): monoclinic space group P21/n, a = 7.923(3), b = 10.681(5) c = 16.539(7)Å, β = 97.80(3)°, V = 1387(7)Å3, Z = 4, Dcalc = 2.461Mg m−3; 1899 reflections, R = 0.069.
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