Thermal Generation and Structures of the Unsaturated Doubly Bridged Complex [Mo2Cp2Cl2(μ-SMe)2] and Its Quadruply Bridged Isomer [Mo2Cp2(μ-Cl)2(μ-SMe)2]
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https://figshare.com/articles/dataset/Thermal_Generation_and_Structures_of_the_Unsaturated_Doubly_Bridged_Complex_Mo_sub_2_sub_Cp_sub_2_sub_Cl_sub_2_sub_SMe_sub_2_sub_and_Its_Quadruply_Bridged_Isomer_Mo_sub_2_sub_Cp_sub_2_sub_Cl_sub_2_sub_SMe_sub_2_sub_/2692375
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The doubly and quadruply bridged isomers [Mo2Cp2Cl2(μ-SMe)2] (4) and [Mo2Cp2(μ-Cl)2(μ-SMe)2] (3) have been obtained as side-products when the dicarbonyl precursor [Mo2Cp2(CO)2(μ-SMe)3]Cl (1) is warmed in toluene solution, the main product being the tris-thiolato-bridged compound [Mo2Cp2(μ-Cl)(μ-SMe)3] (2). Complex 4 is stable at room temperature but can be transformed into 3 at elevated temperatures. 3 and 4 have been crystallographically characterized, and both contain equivalent molybdenum centers. The Mo−Mo separations of 2.5909(11) and 2.4507(2) Å in 3(syn) and 4 are consistent with single and triple Mo−Mo bonds, respectively.
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2016-02-23
