Abstract
Abstract The reaction of M(CO)6 (M = Mo,W) with tetraethyl ammonium phenoxide affords the dinuclear M(O) complexes containing bridging OR ligands, [Et4N]3[M2(CO)6(OPh)3] (M = Mo (1), W (2)). The X-ray structures of 1 and 2 have been determined. 1.3MeCN crystallizes in the monoclinic space group P21/n with a = 11.971(5), b = 19.326(9), c = 26.492(8)A;β = 102.26(3)° V = 5989A3; Z = 4; R 1 = 0.083, R 2 = 0.098. 2.2MeCN crystallizes in the orthorhombic space group P212121 with a = 17.610(8), b = 26.712(15), c = 11.822(4)A; V = 5561.2A3; Z = 4; R1 = 0.058, R 2 = 0.087. The structures of both the anions of 1 and 2 possess three μ-OPh ligands and three terminal carbonyls on each M atom resulting in pseudo-C 3v symmetry. M-M distances are 3.315(3) and 3.3035(9)A for 1 and 2, respectively. The CV of 1 and 2 is discussed.
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