混合占有：白钨矿型 LiLu[MoO4]2 的晶体结构

IF 0.5 Q4 CRYSTALLOGRAPHY

Acta Crystallographica Section E: Crystallographic Communications Pub Date : 2024-05-01 DOI:10.1107/S2056989024004365

Ingo Hartenbach , Robin F. Hertweck , M. Weil (Editor)

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引用次数: 0

摘要

通过对钼酸镥的锂衍生物进行反应，得到了无色的粗大单晶双[正钼酸锂(VI)]LiLu[MoO4]2。标题化合物的结晶为白钨矿结构类型（四方晶，空间群 I41/a），每个晶胞有两个公式单元。韦氏位置 4b（位点对称性 \overline{4}）由 Li+ 和 Lu3+ 阳离子以 1:1 的比例混合占据。与之前的粉末 X 射线研究[Cheng et al. (2015). Dalton Trans. 44, 18078-18089.]相比，所有原子都采用各向异性位移参数进行了细化。

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Mixed occupancy: the crystal structure of scheelite-type LiLu[MoO4]2

The crystal structure of LiLu[MoO₄]₂, which emerged as a by-product of the synthesis to obtain lithium derivatives of lutetium molybdate, adopts the scheelite type.

Coarse colorless single crystals of lithium lutetium bis[orthomolybdate(VI)], LiLu[MoO₄]₂, were obtained as a by-product from a reaction aimed at lithium derivatives of lutetium molybdate. The title compound crystallizes in the scheelite structure type (tetragonal, space group I4₁/a) with two formula units per unit cell. The Wyckoff position 4b (site symmetry

) comprises a mixed occupancy of Li⁺ and Lu³⁺ cations in a 1:1 ratio. In comparison with a previous powder X-ray study [Cheng et al. (2015#). Dalton Trans. 44, 18078–18089.] all atoms were refined with anisotropic displacement parameters.

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来源期刊

Acta Crystallographica Section E: Crystallographic Communications Chemistry-Chemistry (all)

CiteScore

1.90

自引率

0.00%

发文量

351

审稿时长

3 weeks

期刊介绍： Acta Crystallographica Section E: Crystallographic Communications is the IUCr''s open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.