Abstract

AbstractThe tetranuclear compound [Mo2(O2C‐tBu)3]2(μ‐C2O4) (1) that is prepared from [Mo2(O2C‐tBu)3]4 and oxalic acid, was reacted with MnI2·2THF to form the polyoxomolybdate compound [Mn(CH3OH)6] [Mo8O16(OCH3)8(C2O4)] (2) in a complex redox reaction. Crystals of 2 were analyzed by single‐crystal X‐ray diffraction showing a octanuclear polyoxomolybdate dianion in which the Mo=O moieties are alternately connected through μ‐oxo and μ‐methoxo units. Charge balance in 2 is realized by a manganese(II) cation that is octahedrally coordinated by methanol ligands. The crystal structure is dominated by strong hydrogen bond interactions of the O–H···O type of methanol molecules coordinated to manganese as well as additional methanol molecules in the crystal lattice.

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