Chelate rings in a quadruply bonded dimetal compound: Preparation and structure of diacetatodi(4-phenylimino-2-pentanonato)dimolybdenum

, , und . Inorganica Chimica Acta 37 (2): 267--272 (1979)


Lithium (4-phenylimino)-2-pentanonate reacts with Mo2(O2CMe)4 to replace 2 acetate ligands and afford red, cryst. Mo2(O2CMe)2PhNCMeCHCMe(O)2. The crystal and mol. structures were detd. by x-ray crystallog. The crystals belong to space group P1̅ with a 11.723(3), b 10.402(2), c 12.624(2) \AA; a 112.88(1)°, b 95.04(1)°, g 107.01(1)°, and Z = 2. The structure has cisoid arrangement of the bridging acetate ligands and 1 chelate ring on each metal atom. The unsym. chelate ligands are so arranged that the virtual symmetry is C2. The Mo-Mo distance is 2.131(1) \AA. on SciFinder(R)

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