Acta Cryst. (2003). E59, m695-m697  [ doi:10.1107/S160053680301643X ]

{2,6-Bis[(4R)-(+)-4-isopropyl-4,5-dihydro-1,3-oxazol-2-yl]pyridine-³N}trinitrocobalt(III) monohydrate

F. B. Panosyan, A. J. Lough and J. Chin

Abstract: In the title compound, [Co(NO₂)₃(C₁₇H₂₅N₃O₆)]·H₂O or [Co^III(NO₂)₃(pybox)]·H₂O, where pybox is 2,6-bis[(4R)-(+)-4-isopropyl-4,5-dihydro-1,3-oxazol-2-yl]pyridine, the coordination geometry is distorted octahedral. This is the first reported complexation of the pybox molecule to a Co^III atom. The pybox ligand exhibits tridentate coordination to Co^III in a 1:1 ratio and the nitro anions occupy the remaining meridional positions of the octahedron. Molecules are linked, via solvent water molecules, into O-HO-N hydrogen-bonded chains.

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