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Linking metal centres with bis(diphenylphosphino)acetylene (DPPA): Syntheses and molecular structures of [{Mo(CO)(4)(mu-DPPA)}(2)] and [{Mo(CO)(3)}(2)(mu-DPPA)(3)]

Hogarth, G; Norman, T; (1996) Linking metal centres with bis(diphenylphosphino)acetylene (DPPA): Syntheses and molecular structures of [{Mo(CO)(4)(mu-DPPA)}(2)] and [{Mo(CO)(3)}(2)(mu-DPPA)(3)]. POLYHEDRON , 15 (17) 2859 - 2867.

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Abstract

Addition of bis(diphenylphosphino)acetylene (DPPA) to [Mo(CO)(4)(piperidine)(2)] yielded doubly-bridged cis,cis-[{Mo(CO)(4)(mu-DPPA)}(2)] (1), while further addition of DPPA afforded triply-bridged fac,fac-[{Mo(CO)(3)}2(mu-DPPA)(3)] (2). Both have been characterized crystallographically, the former showing a twisted arrangement of diphosphine bridges, while in the latter the three diphosphines are approximately parallel to one another and the metal-metal vector. (C) 1996 Elsevier Science Ltd.

Type:Article
Title:Linking metal centres with bis(diphenylphosphino)acetylene (DPPA): Syntheses and molecular structures of [{Mo(CO)(4)(mu-DPPA)}(2)] and [{Mo(CO)(3)}(2)(mu-DPPA)(3)]
Keywords:NUCLEAR MAGNETIC-RESONANCE, CLUSTER CHEMISTRY, COMPLEXES, LIGANDS, DERIVATIVES, CARBONYL, CRYSTAL
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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