| Syntheses and Structures of Two Ruthenium(III)Complexes [Ru(PPh_3)_2(S_2CNR_2)Cl_2]·CH_2Cl_2(R=Et and ~iPr) |
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| 作者单位： | WU Fang-Hui(Material ChemistryLaboratory,Nanjing University of Science and Technology,Nanjing 210094,China;Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology,Ma'anshan,Anhui);DUAN Tai-Ke,ZHANG Qian-Feng(Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology,Ma'anshan,Anhui 243002,China);LU Lu-De(Material ChemistryLaboratory,Nanjing University of Science and Technology,Nanjing 210094,China) |
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| 摘 要： | Oxidation reaction of [Ru(PPh_3)_3Cl_2] with tetraethylthiuram disulfide[Et_2NCS_2]_2 or tetra-iso-pmpylthiumm disulfide[~iPr_2NCS_2]_2 afforded mthenium(Ⅲ)complexes[Ru(PPh_3)_2(S_2CNR_2)cl_2]·CH2Cl2(R=Et 1,~iPr 2)which were characterized by single-crystal X-ray diffraction.Complex 1 crystallizes in triclinic,space group Pīwith a=11.5065(6),b=12.1458(7),C=18.0034(9)(A),α=109.380(4),β=95.279(4),γ=97.969(4)°,ν=2324.8(2)(A)~3 and Z=2.Complex 2 belongs to the monoclinic system,space group P21/n with a=12.5752(3),b=20.7562(5),e=17.6821(3)(A),β=105.934(1)°,ν=4437.94(17)(A)~3 and Z=4.Both mononuclear complexes 1 and 2 have an octahedral configuration around the central ruthenium atom which is bonded to one chelated dithiocarbamate ligand,two PPh_3 ligands in mutually tram and two chlorides in mutually cis positions.The average Ru-S,Ru-P and Ru-Cl bond lengths are 2.377(2),2.412(2)and 2.369(2)(A) for 1,and 2.376(2),2.414(1)and 2.383(2)(A) for 2,respectively.The electrochemical properties of these two complexes were studied in CH_2Cl_2 solution by cyclic voltammetry.
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