Sr5TeO2(BO3)4 and NaSr5(BO3)(SiO4)2: two inorganic metal borate derivatives with diverse zero dimensional anions

Ruling Tang; Chunli Hu; Jianghe Feng; Zhi Fang; Yan Chen; Fang Kong; Jianggao Mao

doi:10.1039/C9DT03839F

Sr₅TeO₂(BO₃)₄ and NaSr₅(BO₃)(SiO₄)₂: two inorganic metal borate derivatives with diverse zero dimensional anions†

Ruling Tang,

^abc Chunli Hu,^a Jianghe Feng,^a Zhi Fang,

^a Yan Chen,^abc Fang Kong

*^a and Jianggao Mao

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
E-mail: mjg@firsm.ac.cn

^b School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China

^c University of the Chinese Academy of Sciences, Beijing, China

Abstract

Two new inorganic metal borate derivatives, Sr₅TeO₂(BO₃)₄ and NaSr₅(BO₃)(SiO₄)₂, have been obtained through a high temperature solid reaction method. Sr₅TeO₂(BO₃)₄ crystallizes in a tetragonal space group of P4/mnc featuring a three-dimensional (3D) structure composed of a porous 3D strontium framework stabilized by the unique zero-dimensional (0D) [TeO₂(BO₃)₄]¹⁰⁻ anions. NaSr₅(BO₃)(SiO₄)₂ crystallizes in a monoclinic space group of P2₁/c with a 3D structure consisting of a splendid strontium 3D framework strengthened by isolated BO₃ and SiO₄ groups. The sodium cations located in the empty space of the structure. Thermal stability analyses, optical property measurements and theoretical studies of the compounds were performed. Refractive index calculations revealed that the birefringence of Sr₅TeO₂(BO₃)₄ and NaSr₅(BO₃)(SiO₄)₂ is 0.048 and 0.029, respectively, at 1064 nm.

This article is part of the themed collection: Inorganic Porous and Layered Material

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Article information

DOI: https://doi.org/10.1039/C9DT03839F
Article type: Paper
Submitted: 28 sept. 2019
Accepted: 27 oct. 2019
First published: 28 oct. 2019

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Dalton Trans., 2020,49, 3743-3749

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Sr₅TeO₂(BO₃)₄ and NaSr₅(BO₃)(SiO₄)₂: two inorganic metal borate derivatives with diverse zero dimensional anions

R. Tang, C. Hu, J. Feng, Z. Fang, Y. Chen, F. Kong and J. Mao, Dalton Trans., 2020, 49, 3743 DOI: 10.1039/C9DT03839F

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