Ba2[WO3F(IO3)][WO3F2]: the first polar fluorinated tungsten iodate featuring a direct W–O–I bond

Ying Hou; Hongyi Li; Hongping Wu; Hongwei Yu; Zhanggui Hu; Jiyang Wang; Yicheng Wu

doi:10.1039/D2DT02085H

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Ba₂[WO₃F(IO₃)][WO₃F₂]: the first polar fluorinated tungsten iodate featuring a direct W–O–I bond†

Ying Hou,‡^a Hongyi Li,‡^b Hongping Wu,

*^a Hongwei Yu,^a Zhanggui Hu,^a Jiyang Wang^a and Yicheng Wu^a

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* Corresponding authors

^a Tianjin Key Laboratory of Functional Crystal Materials, Institute of Functional Crystal, Tianjin University of Technology, Tianjin 300384, China
E-mail: wuhp@ms.xjb.ac.cn

^b Guangzhou Panyu Polytechnic, Guangdong 511483, China

Abstract

The introduction of the transition metal cations with d⁰ electron configurations and F in the iodate systems generates a new polar compound, Ba₂[WO₃F(IO₃)][WO₃F₂], which features the first example of a direct W–O–I bond in the structure. It exhibits excellent properties, including a large second harmonic generation response (∼3.5 × KH₂PO₄), a wide visible and mid-infrared transparency region (0.28–10.74 μm), and a moderate birefringence of 0.061@532 nm.

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Article information

DOI: https://doi.org/10.1039/D2DT02085H
Article type: Communication
Submitted: 30 Jun 2022
Accepted: 31 Aug 2022
First published: 01 Sep 2022

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Dalton Trans., 2022,51, 14036-14040

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Ba₂[WO₃F(IO₃)][WO₃F₂]: the first polar fluorinated tungsten iodate featuring a direct W–O–I bond

Y. Hou, H. Li, H. Wu, H. Yu, Z. Hu, J. Wang and Y. Wu, Dalton Trans., 2022, 51, 14036 DOI: 10.1039/D2DT02085H

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