Crystal structure of potassium molybdate, K2MoO4
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 849-854
- https://doi.org/10.1039/j19690000849
Abstract
K2MoO4 crystallises in the monoclinic system, space group C2/m, with unit-cell dimensions a= 12·348, b= 6·081, c= 7·538 Å, and β= 115·74°. Its structure, determined by three-dimensional Patterson and Fourier syntheses and refined by least-squares techniques contains isolated, almost regular MoO4 tetrahedra with average Mo–O distance 1·76 ± 0·01 Å and potassium ions occupying eight-co-ordinate positions. The potassium–oxygen co-ordination may be described basically as somewhat distorted trigonal prismatic, where the K–O distances are all 2SO4 structure is discussed; K2WO4 and [NH4]2MoO4 have been shown to be isomorphous with K2MoO4.Keywords
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