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>Crystal structure of tri-μ-carbonyl-pentacarbonyl {diphenyl-2-pyridylphosphine-(P,N)} bis {diphenyl-2-pyridylphosphine-(P)} tetrairidium (0), Ir4(CO)8(PPh2pyl)3
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Crystal structure of tri-μ-carbonyl-pentacarbonyl {diphenyl-2-pyridylphosphine-(P,N)} bis {diphenyl-2-pyridylphosphine-(P)} tetrairidium (0), Ir4(CO)8(PPh2pyl)3
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机译：Crystal structure of tri-μ-carbonyl-pentacarbonyl {diphenyl-2-pyridylphosphine-(P,N)} bis {diphenyl-2-pyridylphosphine-(P)} tetrairidium (0), Ir4(CO)8(PPh2pyl)3
The structure of the title tetranuclear cluster, C59H42N3O8P3Ir4, was determined by X-ray analysis. It crystallizes in the monoclinic space groupC2/c. The unit cell parameters are:a=47.277(6),b=10.519(3),c=23.025(4) Å, β=105.77(1)°. The iridium atoms form a nearly regular tetrahedron. Between Ir4 and N336 atoms exists a relatively strong bond, thus one of the phosphine ligands is bridging one coordinatingviaP and N ato
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