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Synthesis and Molecular Structure of [Fe-4(CO)(10)(mu(4)-O)(kappa(K)2-dppn)] (dppn=1,8-bis(diphenylphosphino)naphthalene): A Missing Piece in the [M-4(CO)(12)(mu(4)-E)](n-) (M = Fe, Ru:E = C, N, O; n=2, 1, 0) Puzzle

Ghosh, S; Hogarth, G; Kabir, SE; Miah, AL; Salassa, L; Sultana, S; Garino, C; (2009) Synthesis and Molecular Structure of [Fe-4(CO)(10)(mu(4)-O)(kappa(K)2-dppn)] (dppn=1,8-bis(diphenylphosphino)naphthalene): A Missing Piece in the [M-4(CO)(12)(mu(4)-E)](n-) (M = Fe, Ru:E = C, N, O; n=2, 1, 0) Puzzle. ORGANOMETALLICS , 28 (24) 7047 - 7052. 10.1021/om900855v.

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Abstract

Reaction of Fe-3(CO)(12) with 1,8-bis(diphenylphosphino)naphthalene (dppn) yields the tetranuclear oxide cluster [Fe-4(CO)(10)(mu(4)-O)(kappa(2)-dppn)] (1), which has been crystallographically characterized. It is a member Of the [M-4(CO)(12)(mu(4)-E)](n-) series of butterfly clusters, being a close relative of the unknown "missing link" [Fe-4(CO)(12)(mu(4)-O)] (2). In Order to Understand the stability of' I relative to 2, we have carried out DFT calculations oil [Fe-4(CO)(10)L-2(mu(4)-O)] (L = CO, PMe3, PPh3; L-2 = dppn), which suggest that I is best considered its a combination of [Fe-3(CO)(9)O](2-) and [Fc(CO)(dppn)](2+) fragments.

Type:Article
Title:Synthesis and Molecular Structure of [Fe-4(CO)(10)(mu(4)-O)(kappa(K)2-dppn)] (dppn=1,8-bis(diphenylphosphino)naphthalene): A Missing Piece in the [M-4(CO)(12)(mu(4)-E)](n-) (M = Fe, Ru:E = C, N, O; n=2, 1, 0) Puzzle
DOI:10.1021/om900855v
Keywords:RAY-DIFFRACTION STRUCTURES, NITRIDO CARBONYL CLUSTERS, BOND-CLEAVAGE REACTIONS, SOLID-STATE STRUCTURE, MIXED-METAL CLUSTERS, CARBIDE CLUSTERS, CRYSTAL-STRUCTURE, BUTTERFLY CLUSTERS, 1,8-BIS(DIPHENYLPHOSPHINO)NAPHTHALENE DPPN, LIGAND CHELATION
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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