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Acta Cryst. (2006). E62, m1213-m1215 [ doi:10.1107/S160053680601556X ]
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3-oxo-hexa-2-propionato-![[kappa]](/logos/entities/kappa_rmgif.gif)
12O:O'-trichromium(III) nitrate hemihydrateAbstract: The title compound, [Cr3(C3H5O2)6O(H2O)3]NO3·0.5H2O, has a trinuclear cluster structure with three Cr atoms in a triangle linked through a 3-oxo bridge, each Cr atom having a terminal water molecule as ligand, and pairs of Cr atoms being additionally bridged by two propionate ligands. There are two chemically equivalent but independent triaqua-3-oxo-hexa-2-propionato-12O:O'-trichromium cations, two NO3- anions and one water solvent molecule in the asymmetric unit. Extensive hydrogen bonds lead to zigzag stacks of cations along the b axis.
Online 5 May 2006
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