Synthesis and crystal structure of zirconium chloromethylphosphonate
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The crystal structure of zirconium chloromethylphosphonate, Zr(O3PCH2Cl)2, has been solved and refined using powder diffraction data. The crystals belong to the space group P21/c with a = 9.3402(7) Å, b = 5.3926(3) Å, c = 21.374(2) Å and β = 107.892(5)°. The reliability factors are Rwp= 0.155, Rp= 0.115, RF= 0.04 and expected Rwp= 0.035. The layer arrangement in the structure resembles very closely that in α-zirconium phosphate. The chlorine atoms on both the methyl groups are disordered, in such a way that the disordered positions are displaced along the b axis of the crystal.
author list (cited authors)
Poojary, D. M., Bhardwaj, C., & Clearfield, A.