氯氧化铽（TbOCl）的脱水合成与晶体结构

Dehydration synthesis and crystal structure of terbium oxychloride, TbOCl.

作者信息

Chong Saehwa, Riley Brian J, Nelson Zayne J

机构信息

Pacific Northwest National Laboratory, Richland, WA 99352, USA.

出版信息

Acta Crystallogr E Crystallogr Commun. 2020 Apr 3;76(Pt 5):621-624. doi: 10.1107/S2056989020004387. eCollection 2020 May 1.

DOI:10.1107/S2056989020004387

PMID:32431920

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7199267/

Abstract

Terbium oxychloride, TbOCl, was synthesized the simple heat-treatment of TbCl·6HO 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 4/ and is composed of alternating (001) layers of (TbO) and 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.

摘要

通过对TbCl₃·6H₂O进行简单热处理合成了氯氧化铽（TbOCl），并通过对X射线粉末衍射数据进行精修确定了其结构。TbOCl以氟氯铅矿（PbFCl）结构在四方空间群I4/mcm中结晶，由交替的（001）层（TbO）⁺和Cl⁻组成。将晶胞参数、晶胞体积和密度与相同空间群中其他同构稀土氯氧化物的文献数据进行了比较，与计算出的趋势线相比显示出良好的一致性。