Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 5 (May 2013)


metal-organic compounds



lg3109 scheme

Acta Cryst. (2013). C69, 509-512    [ doi:10.1107/S0108270113010652 ]

A cocrystal of two MoVI complexes bearing different diastereomers of the 2,4-di-tert-butyl-6-{[(1-oxido-1-phenylpropan-2-yl)(methyl)amino]methyl}phenolate ligand derived from (+)-ephedrine

R. Sillanpää and M. M. Hänninen

Abstract: The title cocrystal contains two chiral conformational diastereomers, viz. (1S,2R,RN)- and (1S,2R,SN)-, of [2,4-di-tert-butyl-6-{[(1-oxido-1-phenylpropan-2-yl)(methyl)amino]methyl}phenolato](methanol)-cis-dioxidomolybdenum(VI), [Mo(C25H35NO2)O2(CH3OH)], representing the first example of a structurally characterized molybdenum complex with enantiomerically pure ephedrine derivative ligands. The MoVI cations exhibit differently distorted octahedral coordination environments, with two oxide ligands positioned cis to each other. The remainder of the coordination comprises phenoxide, alkoxide and methanol O atoms, with an amine N atom completing the octahedron. The distinct complexes are linked by strong intermolecular O-H...O hydrogen bonds, resulting in one-dimensional molecular chains. Furthermore, the phenyl rings are involved in weak T-shaped/edge-to-face [pi]-[pi] interactions with each other.

Formula: [Mo(C25H35NO2)O2(CH4O)]


moldisplay filedownload file

MDL mol file (13.9 kbytes)
[ doi:10.1107/S0108270113010652/lg3109Isup4.mol ]
Supplementary material


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