Acta Cryst. (2012). B68, 610-618 [ doi:10.1107/S0108768112043996 ]
Abstract: Reactions of manganese(II) chloride, bromide and iodide with proline as an enantiopure and racemic ligand result in six crystalline solids for which diffraction experiments have been performed at 100 K. For two of these compounds, crystal structures at ambient temperature had been reported previously. The most surprising outcome of our systematic comparison lies in the role of chirality: with enantiopure proline three different coordination polymers have been obtained, whereas racemic proline yields isomorphous mononuclear complexes under the same reaction conditions.
Keywords: chirality; coordination polymers; isomorphous mononuclear complexes.
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