1,1,2,2,2,3,3,3-Octacarbonyl-1,1,2,3-tetrakis(1,3,5-triaza-7-phosphatricyclo[3.3.1.13,7]decane-κP)-triangulo-triosmium(0)
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The title compound, [Os3(C6H12N3P)4(CO)8], crystallizes in the orthorhombic space group Pbca with Z = 8. The molecule consists of a triangular triosmium(0) core surrounded by eight carbonyl ligands and four 1,3,5-triaza-7-phosphatricyclo[3.3.1.13,7]decane (or PTA) ligands. One Os atom is coordinated by two PTA ligands and two CO ligands, while the other two Os atoms are each bonded to a single PTA ligand and three CO ligands. There is a small disorder associated with the Os3 unit so that a minor orientation has an occupancy of 2.17 (4)%. The title compound represents the first structurally characterized triangular Os3 carbonyl cluster with four monodentate tertiary phosphane ligands.
1994 ◽
Vol 49
(10)
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pp. 1444-1447
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1990 ◽
Vol 45
(4)
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pp. 461-464
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1998 ◽
Vol 53
(5-6)
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pp. 634-636
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2019 ◽
Vol 75
(5)
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pp. 690-694
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2013 ◽
Vol 69
(12)
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pp. o1799-o1800
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1991 ◽
Vol 56
(10)
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pp. 2169-2174
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