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Crystal and Molecular Structure of MoO_2(C_5H_3NSOOCH_2CH_3)_2 and MoO_2(C_5H_3NSOOCH_2CH_2CH_3)_2

The crystal structure analysis of the title complexes forms a part of our research on molybdenum complexes with O-, N- and S-donor ligands. In the attempt to prepare the Mo(VI) complex by mixing MoO_2Cl_2 with 2-mercaptonicotinic acid in ethanol and propanol, the reaction resulted in Mo(VI) complex with ethyl and propyl esters of 2-mercaptonicotinic acid. The complex molecules contain MoO_2 core with molybdenum atom octahedrally coordinated by two terminal cis oxo-oxygen atoms, and two sulphur and two nitrogen atoms from two ligand molecules.

crystal structure; molybdenum complexes; 2-mercaptonicotinic acid

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