Chemistry of phosphido-bridged dimolybdenum complexes. Part 3. Reinvestigation of the reaction between [Mo2(η-C5H5)2(CO)6] and P2Ph4; X-ray structures of

Trushar Adatia; Mary McPartlin; Martin J. Mays; Michael J. Morris; Paul R. Raithby

doi:10.1039/DT9890001555

Chemistry of phosphido-bridged dimolybdenum complexes. Part 3. Reinvestigation of the reaction between [Mo₂(η-C₅H₅)₂(CO)₆] and P₂Ph₄; X-ray structures of

Trushar Adatia, Mary McPartlin, Martin J. Mays, Michael J. Morris, Paul R. Raithby

Research output: Contribution to journal › Article › peer-review

Abstract

The thermal reaction of [Mo₂(η-C₅H₅)₂(CO)₂] with P₂Ph₂ in toluene gives [Mo₂(η-C₅H₅)₂(μ-PPh ₂)₂-(CO)₂] in high yield. An X-ray diffraction study shows a Mo-Mo double bond [2.712(2) Å] symmetrically bridged by two PPh₂ groups, with a planar Mo₂P₂ core. Under u.v. irradiation, further decarbonylation occurs to give [Mo₂(η-C₅H₅)₂(μ-PPh ₂)₂(μ-CO)], in which two PPh₂ groups and a carbonyl ligand bridge a Mo-Mo triple bond of length 2.515(2) Å. Oxidation of either of these complexes gives cis- and trans-[Mo₂(η-C₅H₅) ₂(μ-PPh₂)₂(CO)]; the structure of the trans isomer has been determined by X-ray diffraction. Protonation of [Mo₂(η-C₅H₅)₂(μ-PPh ₂)₂(CO)₂] occurs across the metal-metal bond to give [Mo₂(η-C₅H₅) ₂(μ-H)(μ-PPh₂)₂(CO)₂][BF ₄].

Original language	English
Pages (from-to)	1555-1564
Number of pages	10
Journal	Journal of the Chemical Society, Dalton Transactions
Issue number	8
DOIs	https://doi.org/10.1039/DT9890001555
Publication status	Published - 1989

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General Chemistry

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@article{8f80490b85274655b6ee2ab06cd1165f,

title = "Chemistry of phosphido-bridged dimolybdenum complexes. Part 3. Reinvestigation of the reaction between [Mo2(η-C5H5)2(CO)6] and P2Ph4; X-ray structures of",

abstract = "The thermal reaction of [Mo2(η-C5H5)2(CO)2] with P2Ph2 in toluene gives [Mo2(η-C5H5)2(μ-PPh 2)2-(CO)2] in high yield. An X-ray diffraction study shows a Mo-Mo double bond [2.712(2) {\AA}] symmetrically bridged by two PPh2 groups, with a planar Mo2P2 core. Under u.v. irradiation, further decarbonylation occurs to give [Mo2(η-C5H5)2(μ-PPh 2)2(μ-CO)], in which two PPh2 groups and a carbonyl ligand bridge a Mo-Mo triple bond of length 2.515(2) {\AA}. Oxidation of either of these complexes gives cis- and trans-[Mo2(η-C5H5) 2(μ-PPh2)2(CO)]; the structure of the trans isomer has been determined by X-ray diffraction. Protonation of [Mo2(η-C5H5)2(μ-PPh 2)2(CO)2] occurs across the metal-metal bond to give [Mo2(η-C5H5) 2(μ-H)(μ-PPh2)2(CO)2][BF 4].",

author = "Trushar Adatia and Mary McPartlin and Mays, {Martin J.} and Morris, {Michael J.} and Raithby, {Paul R.}",

year = "1989",

doi = "10.1039/DT9890001555",

language = "English",

pages = "1555--1564",

journal = "Journal of the Chemical Society, Dalton Transactions",

issn = "1472-7773",

publisher = "Royal Society of Chemistry",

number = "8",

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T1 - Chemistry of phosphido-bridged dimolybdenum complexes. Part 3. Reinvestigation of the reaction between [Mo2(η-C5H5)2(CO)6] and P2Ph4; X-ray structures of

AU - Adatia, Trushar

AU - McPartlin, Mary

AU - Mays, Martin J.

AU - Morris, Michael J.

AU - Raithby, Paul R.

PY - 1989

Y1 - 1989

N2 - The thermal reaction of [Mo2(η-C5H5)2(CO)2] with P2Ph2 in toluene gives [Mo2(η-C5H5)2(μ-PPh 2)2-(CO)2] in high yield. An X-ray diffraction study shows a Mo-Mo double bond [2.712(2) Å] symmetrically bridged by two PPh2 groups, with a planar Mo2P2 core. Under u.v. irradiation, further decarbonylation occurs to give [Mo2(η-C5H5)2(μ-PPh 2)2(μ-CO)], in which two PPh2 groups and a carbonyl ligand bridge a Mo-Mo triple bond of length 2.515(2) Å. Oxidation of either of these complexes gives cis- and trans-[Mo2(η-C5H5) 2(μ-PPh2)2(CO)]; the structure of the trans isomer has been determined by X-ray diffraction. Protonation of [Mo2(η-C5H5)2(μ-PPh 2)2(CO)2] occurs across the metal-metal bond to give [Mo2(η-C5H5) 2(μ-H)(μ-PPh2)2(CO)2][BF 4].

AB - The thermal reaction of [Mo2(η-C5H5)2(CO)2] with P2Ph2 in toluene gives [Mo2(η-C5H5)2(μ-PPh 2)2-(CO)2] in high yield. An X-ray diffraction study shows a Mo-Mo double bond [2.712(2) Å] symmetrically bridged by two PPh2 groups, with a planar Mo2P2 core. Under u.v. irradiation, further decarbonylation occurs to give [Mo2(η-C5H5)2(μ-PPh 2)2(μ-CO)], in which two PPh2 groups and a carbonyl ligand bridge a Mo-Mo triple bond of length 2.515(2) Å. Oxidation of either of these complexes gives cis- and trans-[Mo2(η-C5H5) 2(μ-PPh2)2(CO)]; the structure of the trans isomer has been determined by X-ray diffraction. Protonation of [Mo2(η-C5H5)2(μ-PPh 2)2(CO)2] occurs across the metal-metal bond to give [Mo2(η-C5H5) 2(μ-H)(μ-PPh2)2(CO)2][BF 4].

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Chemistry of phosphido-bridged dimolybdenum complexes. Part 3. Reinvestigation of the reaction between [Mo₂(η-C₅H₅)₂(CO)₆] and P₂Ph₄; X-ray structures of

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