Issue 1, 2021
From the journal:

Inorganic Chemistry Frontiers

Y2(Te4O10)(SO4): a new sulfate tellurite with a unique Te4O10 polyanion and large birefringence†

Peng-Fei Li,ab   Chun-Li Hu,a   Fang Kong, ORCID logo *a   Shao-Ming Ying*c  and  Jiang-Gao Mao ORCID logo a  

* Corresponding authors

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

b College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, P. R. China

c Fujian Provincial Key Laboratory of Featured Materials in Biochemical Industry, Ningde Normal University, Ningde 352100, P. R. China
E-mail: ysm@ndnu.edu.cn

Abstract

Two new yttrium sulfate tellurites, namely, Y3(TeO3)2(SO4)2(OH)(H2O) and Y2(Te4O10)(SO4), were achieved in our exploration of new sulfate tellurites, with a large birefringence in the Y3+–Te4+–SO42− system. The two compounds exhibit two new three dimensional (3D) frameworks composed of different yttrium tellurite layers bridged by sulfate tetrahedra. The tellurite groups in Y2(Te4O10)(SO4) polymerized together into a unique (Te4O10)4− 1D double-strand with an eight-member polyhedral ring tunnel along the a-axis. Optical diffuse reflectance spectra showed that the two compounds present a wide energy band gap with Eg values of 4.4 and 4.1 eV respectively. The birefringence values of Y3(TeO3)2(SO4)2(OH)(H2O) and Y2(Te4O10)(SO4) were calculated to be 0.092 and 0.149 at 532 nm respectively. Furthermore, the anhydrous Y2(Te4O10)(SO4) features a large birefringence, wide energy band gap and high thermal stability. In addition, the IR spectrum, TG-DSC curve and theoretical calculations of the title compound were recorded in this paper.

Graphical abstract: Y2(Te4O10)(SO4): a new sulfate tellurite with a unique Te4O10 polyanion and large birefringence

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Article information

DOI
https://doi.org/10.1039/D0QI01130D
Article type
Research Article
Submitted
18 Sep 2020
Accepted
25 Oct 2020
First published
26 Oct 2020

Inorg. Chem. Front., 2021,8, 164-172

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Y2(Te4O10)(SO4): a new sulfate tellurite with a unique Te4O10 polyanion and large birefringence

P. Li, C. Hu, F. Kong, S. Ying and J. Mao, Inorg. Chem. Front., 2021, 8, 164 DOI: 10.1039/D0QI01130D

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