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- W1997603511 abstract "The reaction of [Os3(CO)10(MeCN)2] with phenylthiourea (HL1) and N,N′-diphenylthiourea (HL2) yielded the thioureatotriosmium cluster complexes [Os3H(CO)10(µ-L)](L = L1 or L2) in which the thioureate moiety L bridges two osmium atoms via the sulfur atom. The complexes underwent photochemical reactions with a nitrogen atom of the thioureate ligand displacing a carbonyl on the third osmium atom to give [Os3H(CO)9(µ3-L)](L = L1 or L2). These reactions proceed cleanly and the quantum yields and apparent activation energies have been determined. The cluster complexes have been characterized by spectroscopic means and the structures of [Os3H(CO)10(µ-L2)] and [Os3H(CO)9(µ3-L2)] have been determined by X-ray diffraction: [Os3H(CO)10(µ-L2)], triclinic, space group P, a= 11.607(3), b= 14.341(3), c= 9.520(3)Å, α= 104.92(2), β= 112.62(2), γ= 94.02(2)°, and Z= 2, [Os3H(CO)9(µ3-L2)], monoclinic, space group P21/m, a= 9.583(3), b= 14.249(3), c= 9.969(3)Å, β= 103.53(2)°, and Z= 2. The structures were refined to R= 0.035 and 0.046 for 3791 and 3987 unique diffraction data respectively. In both clusters one edge of the osmium triangle is bridged by a sulfur atom and in [Os3H(CO)9(µ3-L2)] one of the nitrogen atoms of the thioureate ligand has displaced a carbonyl from the third osmium of the cluster." @default.
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- W1997603511 date "1994-01-01" @default.
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- W1997603511 title "Synthesis and photochemical reactivity of phenylthioureatotriosmium cluster complexes: crystal structures of [Os<sub>3</sub>H(CO)<sub>10</sub>{µ-SC(NPh)(NHPh)}] and [Os<sub>3</sub>H(CO)<sub>9</sub>{µ<sub>3</sub>-SC(NPh)(NHPh)}]" @default.
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- W1997603511 doi "https://doi.org/10.1039/dt9940000001" @default.
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