Attempts to prepare the 17-electron (η5-C5H5)MoX2(dmpe) (X=Cl, Br, I; dmpe=bis(dimethylphosphino)ethane) compounds. Formation and X-ray molecular structure of (η5-C5H5)MoCl3(dmpe) and [(η5-C5H5)-Mo(dmpe)2][MoBr4(dppe)] (dppe=bis(diphenylphosphino)ethane) - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Inorganica Chimica Acta Année : 1991

Attempts to prepare the 17-electron (η5-C5H5)MoX2(dmpe) (X=Cl, Br, I; dmpe=bis(dimethylphosphino)ethane) compounds. Formation and X-ray molecular structure of (η5-C5H5)MoCl3(dmpe) and [(η5-C5H5)-Mo(dmpe)2][MoBr4(dppe)] (dppe=bis(diphenylphosphino)ethane)

Résumé

The reaction of [Cp2Mo2Cl5]− with dmpe, followed by work-up in CH2Cl2 produced CpMoCl3(dmpe). From the reaction of CpMoBr2(dppe) (Cp=η5-C5H5) with dmpe the salt [CpMo(dmpe)2][MoBr4(dppe)] was isolated. Crystal data: CpMoCl3(dmpe): monoclinic, space group P21/n, a=8.1763(6), b=13.643(1), c=14.948(2) Å, β=103.054(8)°, V=1624.3(6) Å3, Z=4, Dc=1.71 g cm−3, R=0.046, Rw=0.070 for 155 parameters and 1876 observations with Fo2>3σ(Fo2); [CpMo(dmpe)2][MoBr4(dppe)]: monoclinic, space group P21/n, a=17.642(4), b=29.040(4), c=19.721(3) Å, β=99.28(1)δ, V=9972(5) Å3, Z=8, Dc=1.70 g cm−3, R=0.100, Rw=0.119 for 651 parameters and 3976 observations with Fo2>2.5σ(Fo2).
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hal-03542886 , version 1 (25-01-2022)

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Beth Owens, Rinaldo Poli. Attempts to prepare the 17-electron (η5-C5H5)MoX2(dmpe) (X=Cl, Br, I; dmpe=bis(dimethylphosphino)ethane) compounds. Formation and X-ray molecular structure of (η5-C5H5)MoCl3(dmpe) and [(η5-C5H5)-Mo(dmpe)2][MoBr4(dppe)] (dppe=bis(diphenylphosphino)ethane). Inorganica Chimica Acta, 1991, 179 (2), pp.229-237. ⟨10.1016/S0020-1693(00)85882-X⟩. ⟨hal-03542886⟩
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