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The crystal structure of the title compound in the paper by Sui, Fang, Luo, Chen & Zhou [Acta Cryst. (2006), E62, m1994–m1996] has been rerefined to allow for identification of a disordered dimethyl sulfoxide ligand.
The structure reported by Sui et al. (2006) has been rerefined. The compound was originally determined by Rao et al. [J. Chem. Soc. Dalton Trans. (1998) , 2383] and has been redetermined here to a significantly higher precision of the lattice parameters [a = 14.3130 (7) Å, b = 9.2596 (5) Å and c = 14.8563 (7) Å here versus a = 14.305 (3) Å, b = 9.249 (2) Å and c = 14.860 (3) Å reported by Rao et al.], bond lengths and s.u. values [e.g. Mo1—O6 = 1.6937 (17) Å here versus Mo1—O6 1.697 (4) Å reported by Rao et al.; R = 0.022 here versus R = 0.050 reported by Rao et al.]. The results of the current redetermination allow the identification of a disordered dimethyl sulfoxide ligand and a clarification of the nature of the intra- and intermolecular hydrogen bonding.
Data collection: APEX2 (Bruker, 2004 ); cell refinement: APEX2 (Bruker, 2004 ); data reduction: APEX2 (Bruker, 2004 ); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ); molecular graphics: SHELXL97 (Sheldrick, 2008 ); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008 ).
Crystal structure: contains datablocks global, I. DOI: 10.1107/S1600536810007476/ng9064sup1.cif
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: NG9064).