A di-molybdenum carbonyl compound containing thiolate and dithiocarbamate ligands, [Bu4N][(CO)4Mo(μ-SC6H5)2Mo(C5H10dtc)(CO)2] 1 (CsH10dtc = S2CNC5H10), has been prepared by reaction of [Mo2(SC6H5)2(CO)8...A di-molybdenum carbonyl compound containing thiolate and dithiocarbamate ligands, [Bu4N][(CO)4Mo(μ-SC6H5)2Mo(C5H10dtc)(CO)2] 1 (CsH10dtc = S2CNC5H10), has been prepared by reaction of [Mo2(SC6H5)2(CO)8] with C5H10dtcNa and [NBu4]Br in acetone. It crystallizes in monoclinic, space group P21/n with a = 13.162(3), b = 17.466(2), c = 20.453(4) A,β= 100.77(1)°, Z = 4, V= 4619(2)A^3, C40H56Mo2N2O6S4, Mr = 980.95, De= 1.389 g/cm^3,μ = 7.66 cm^-1, F(000) = 1988 and R = 0.0746 for 5161 observed reflections with I 〉 2σ(I). The complex contains a [Mo2S2]^2- planar core in which one Mo atom is chelated by a C5H10dtc ligand, leading to different coordination environments of the two Mo atoms. 95Mo NMR measurement indicates that the two Mo atoms are in different oxidation states.展开更多
文摘A di-molybdenum carbonyl compound containing thiolate and dithiocarbamate ligands, [Bu4N][(CO)4Mo(μ-SC6H5)2Mo(C5H10dtc)(CO)2] 1 (CsH10dtc = S2CNC5H10), has been prepared by reaction of [Mo2(SC6H5)2(CO)8] with C5H10dtcNa and [NBu4]Br in acetone. It crystallizes in monoclinic, space group P21/n with a = 13.162(3), b = 17.466(2), c = 20.453(4) A,β= 100.77(1)°, Z = 4, V= 4619(2)A^3, C40H56Mo2N2O6S4, Mr = 980.95, De= 1.389 g/cm^3,μ = 7.66 cm^-1, F(000) = 1988 and R = 0.0746 for 5161 observed reflections with I 〉 2σ(I). The complex contains a [Mo2S2]^2- planar core in which one Mo atom is chelated by a C5H10dtc ligand, leading to different coordination environments of the two Mo atoms. 95Mo NMR measurement indicates that the two Mo atoms are in different oxidation states.
基金a research grant from the Natural Science and Engineering Research Council of Canadaan equipment grant from the Canada Foundation for Innovationfunding from the Canada Research Chair pro-gram