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Ba[Sn(OH)₆][SeO₄]·3H₂O，一种六羟基锡（IV）酸钡和硒酸钡（VI）的1:2水合复盐。

Ba[Sn(OH)][SeO]·3HO, a hydrated 1:2 double salt of barium hexa-hydroxidostannate(IV) and barium selenate(VI).

作者信息

Reuter Hans, Kamaha Shouassi

机构信息

Chemistry, Osnabrück University, Barabarstr. 7, 49069 Osnabrück, Germany.

出版信息

Acta Crystallogr E Crystallogr Commun. 2022 Jul 19;78(Pt 8):809-813. doi: 10.1107/S2056989022007198. eCollection 2022 Aug 1.

DOI:10.1107/S2056989022007198
PMID:35974820
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9361368/
Abstract

Single crystals of tribarium hexa-hydroxidostannate(IV) bis-[selenate(VI)] trihydrate, BaHOSeSn or Ba[Sn(OH)][SeO]·3HO, prepared from solid BaSnO and aqueous Na[SeO] solutions have hexa-gonal (6) symmetry. The structure consists of four different primary building units: a hexa-hydroxidostannate(IV) ion, two different selenate(VI) ions, all three of point group symmetry , and a mono-capped {BaO}-square anti-prism of point group symmetry . The secondary building units result from three of the barium coordination polyhedra linked together common edges. While one of the two tetra-hedral voids formed from these trimeric units is filled by one bidentate, chelating μ-selenate ion, the other one remains unoccupied as the corresponding second selenate ion only acts as a monodentate, μ-ligand. SBUs are completed by hexa-hydroxidostannate(IV) ions sharing adjacent edges on the uncapped faces of the three, mono-capped square anti-prisms. These SBUs are arranged into layers common edges on the uncapped, square faces of the {BaO} coordination polyhedra in a way that the hexa-hydroxidostannate(IV) ions act as linkage between two neighboring layers.

摘要

由固态BaSnO和Na₂[SeO₄]水溶液制备的三水合双[硒酸根(VI)]六羟基锡酸(IV)钡单晶，Ba₃HO₂Se₂Sn或Ba₃[Sn(OH)₆][SeO₄]₂·3H₂O，具有六方（6）对称性。该结构由四种不同的基本结构单元组成：一个六羟基锡酸(IV)离子、两种不同的硒酸根(VI)离子，这三种结构单元的点群对称性均为 ，以及一个点群对称性为 的单帽{BaO}方形反棱柱。二级结构单元由三个钡配位多面体通过共用棱边连接而成。由这些三聚体单元形成的两个四面体空隙中，一个被一个双齿螯合的μ-硒酸根离子占据，另一个则未被占据，因为相应的第二个硒酸根离子仅作为单齿μ-配体。六羟基锡酸(IV)离子在三个单帽方形反棱柱未封端面上共用相邻棱边，从而使二级结构单元得以完整。这些二级结构单元在{BaO}配位多面体未封端的方形面上通过共用棱边排列成层，使得六羟基锡酸(IV)离子作为两个相邻层之间的连接。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/c52b9c099632/e-78-00809-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/e19283ef5372/e-78-00809-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/d7c964b9e8d6/e-78-00809-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/b0c322a4c08b/e-78-00809-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/356c1f4a51d0/e-78-00809-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/4bc2c99074bf/e-78-00809-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/c52b9c099632/e-78-00809-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/e19283ef5372/e-78-00809-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/d7c964b9e8d6/e-78-00809-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/b0c322a4c08b/e-78-00809-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/356c1f4a51d0/e-78-00809-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/4bc2c99074bf/e-78-00809-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca8a/9361368/c52b9c099632/e-78-00809-fig6.jpg

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