Abstract
AbstractComplex (n‐Bu4N)[Mo2O2(OMe)(mp)3] [1, mp = (o‐OC6H4S)2−] was synthesized by the reaction of MoOCl3(THF)2 and Na2mp in EtOH and crystallized in monoclinic space group P21/n with crystal data: a = 13.910(3), b = 23.554(3), c=12.558(2) Å, β = 105.20(2)˙. Z = 4, Do = 1.455g/ cm3, final R = 0.077 for 5325 reflections [I>3s̀(I)]. The two [Mo(O)mp]+ moieties are bridged by one 1,2‐bidentate ligand mp2− with exceedingly small bite angle (69.0˙) and bite distance · (2.70Å) and by a methoxy group. The structure can be interpreted as two distorted octahedra around the Mo atoms sharing a face. Attempts have been made to provide structural informations for the syntheses of modelling compounds of FeMoco by comparing the Mo—O and Mo—S bond distances of o‐mercaptophenolate ligated compounds to those of the molybdenum site of nitrogenase.
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