Crystal structure of rhenium oxide tetrachloride
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 4,p. 582-584
- https://doi.org/10.1039/dt9720000582
Abstract
Crystals of rhenium oxide tetrachloride are monoclinic, Z= 8, space-group p21/c, a= 12·61 ± 0·02, b= 5·76 ± 0·01, c= 18·51 ± 0·02 Å, β= 115·5 ± 0·3°. The structure was refined by three-dimensional least-squares methods to 0·069 for 954 reflections. The two crystallographically different ReOCl4 units in the crystal have a square-pyramidal arrangement, with dimensions the same, within experimental error. The mean Re–O distances are 1·63, and mean Re–Cl 2·26 Å. The molecular units are weakly associated into dimer and endless chain arrangements through long Re ⋯ Cl interactions (3·55 and 3·65 Å) which are trans to the Re–O bonds.Keywords
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