cis-Di-mu-oxido-bis[(N,N-diethyldithiocarbamato-kappa S-2,S ')oxidomolybdenum(V)](Mo-Mo) tetrahydrofuran monosolvate

abstract

The title compound, [Mo-2(C5H10NS2)(2)O-4]center dot C4H8O, can be readily prepared in tetrahydrofuran (THF) by an oxidation reaction between the Mo-IV precursor [MoO(S2CNEt2)(2)] with [ReMeO3]. The compound is an axially symmetric Mo-V dimer (2 symmetry), in which the metal atoms exhibit a distorted square-pyramidal coordination environment. A THF molecule was found to be equally disordered over two symmetry-related sites (around a twofold rotation axis), trans-coordinated to the apical oxido group and weakly interacting with the Mo-V atoms [Mo-O = 2.6213 (19) angstrom]. In the crystal, some weak C-H center dot center dot center dot O interactions occur between the terminal oxido and neighbouring -CH3 groups of an adjacent [Mo(mu-O)O(S2CNEt2)](2) unit.

keywords

MOLYBDENUM(IV); COMPLEXES; INDENYL

subject category

Crystallography

authors

Fernandes, JA; Paz, FAA; Romao, CC

our authors

acknowledgements

We are grateful to the Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) for their general financial support, for the post-doctoral research grants Nos. SFRH/BPD/23461/2005 and SFRH/BPD/63736/2009 (to JAF) and for specific funding toward the purchase of the single-crystal diffractometer.

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