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Title: Reaction of electron-deficient triosmium cluster Os3(CO)83-Ph2PCH(CH3)P(Ph)C6H4}(μ-H) with HCl: X-ray structure of two isomers of Os3(CO)8{μ-Ph2PCH(CH3)PPh2}(μ-Cl)(μ-H)
Authors: Uddin, Md Miaz
Rajbangshi, Subas
Ghosh, Shishir
Siddiquee, Tasneem A
Kabir, Shariff E
Keywords: Coordination chemistry;Cluster compounds;Triosmium clusters;Protic acids;Osmium;Carbonyls, 1,1ʹ-Bis(diphenylphosphino)ethane
Issue Date: Sep-2015
Publisher: NISCAIR-CSIR, India
Abstract: Treatment of electron-deficient Os3(CO)83-Ph2PCH(CH3)-P(Ph)C6H4}(μ-H) (1) with HCl at room temperature furnishes the adduct Os3(CO)8{μ-Ph2PCH(CH3)PPh2}(μ-Cl)(μ-H) (2) in almost quantitative yield via oxidative addition of H‒Cl bond. Cluster (2) is electron-precise and contains bridging chloride and hydride ligands which rearranges upon heating at 110 °C to form isomeric (3). Both clusters have been characterized by a combination of elemental analyses, IR and NMR spectroscopic data together with single crystal X-ray diffraction studies.
Page(s): 1104-1108
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.54A(09) [September 2015]

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