Acta Cryst. (2007). C63, m283-m288 [ doi:10.1107/S0108270107022950 ]
Abstract: The crystal structure of the title compound, [Co(C5H7O2)3], has been investigated by a multi-temperature measurement. In contrast to the isomorphous Al compound, the title compound exists in the studied temperature range as its monoclinic polymorph (space group P21/c) and does not undergo a phase transition. Rigid-body TLS analyses have been performed and the anisotropic thermal expansion tensor ij has been determined. The cell axes show a linear expansion behavior with respect to the temperature, but the slope is significantly different. A possible explanation are the different strengths of different intermolecular C-HO contacts, which run in different crystallographic directions.
Formula: [Co(C5H7O2)3] at 240, 210, 180, 150 and 110 K
Structure factor file (CIF format) (184.4 kbytes)
Structure factor file (CIF format) (183.4 kbytes)
Structure factor file (CIF format) (182.0 kbytes)
Structure factor file (CIF format) (181.3 kbytes)
Structure factor file (CIF format) (179.3 kbytes)
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