Dehydration synthesis and crystal structure of terbium oxychloride, TbOCl.

Saehwa ChongBrian J RileyZayne J Nelson

Published in: Acta crystallographica. Section E, Crystallographic communications (2020)

Terbium oxychloride, TbOCl, was synthesized via the simple heat-treatment of TbCl3·6H2O and its structure was determined by refinement against X-ray powder diffraction data. TbOCl crystallizes with the matlockite (PbFCl) structure in the tetra-gonal space group P4/nmm and is composed of alternating (001) layers of (TbO) n and n Cl-. The unit-cell parameters, unit-cell volume, and density were compared to the literature data of other isostructural rare-earth oxychlorides in the same space group and showed good agreement when compared to the calculated trendlines.

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