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Journal of Coordination Chemistry
Year: 2009  |  Volume: 62  |  Issue: 6  |  Page No.: 923 - 930

Synthesis and characterization of a mononuclear ruthenium(III) triazole complex

Jiang-Yun Wang, Pei-Pei Yang, Wen Gu, Wen-Zhen Wang, Xin Liu and Dai-Zheng Liao    

Abstract: A mononuclear ruthenium(III) complex containing ethylenediaminetetraacetate (edta), [Ru(Hedta)(Htrz)] · 4H2O (1) (Htrz = 1H-1,2,4-triazole), has been synthesized and the structure was determined by single-crystal X-ray diffraction. The complex crystallizes in the triclinic space group P1, with the unit cell parameters a = 7.212(3) , b = 9.873(4) , c = 13.806(6) , α = 91.945(6)°, β = 100.078(6)°, γ = 97.230(7) and Z = 2. The complex was also characterized by elemental analysis, IR, UV-Vis and ESR spectra. Cyclic voltammetry for the complex shows a ruthenium(III)/ruthenium(IV) oxidation and a ruthenium(III)/ruthenium(II) reduction within the range of -1.5-0.5 V. Magnetic susceptibility data give an effective moment of 1.81 B.M. at room temperature.

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