CrystEngComm
M2(SeO3)F2 (M = Zn, Cd): understanding the structure directing effect of [SeO3]2− groups on constructing ordered oxyfluorides†
* Corresponding authors
a
Key Lab of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail:
zslin@mail.ipc.ac.cn
b University of Chinese Academy of Sciences, Beijing 100190, China
c
Institute of Functional Crystal Materials, Tianjin University of Technology, Tianjin 300384, China
E-mail:
hu@tjut.edu.cn
Abstract
As a great deal of attention has been paid to studying the role of fluorine in functional oxyfluorides, the question that arises now is how to orderly incorporate the fluorine atoms into the compounds. Herein, we proposed an original strategy using [SeO3]2− anionic groups as the effective structure directing blocks to orderly introduce the F atoms into the [MOxFy] (M = metal) polyhedra. Accordingly, two ordered metal selenite fluorides with [MO3F3]7− groups, M2(SeO3)F2 (M = Zn, Cd), were successfully synthesized through hydrothermal reactions. The stabilities of these structures were confirmed by thermogravimetry tests, bond valence sum analysis and phonon spectrum calculations.
Supplementary files
- Supplementary information PDF (1347K)
- Crystal structure data CIF (22K)
Article information
- DOI
- https://doi.org/10.1039/C9CE00279K
- Article type
- Communication
- Submitted
- 27 Feb 2019
- Accepted
- 18 Mar 2019
- First published
- 19 Mar 2019
Permissions
M2(SeO3)F2 (M = Zn, Cd): understanding the structure directing effect of [SeO3]2− groups on constructing ordered oxyfluorides
F. You, P. Gong, F. Liang, X. Jiang, H. Tu, Y. Zhao, Z. Hu and Z. Lin, CrystEngComm, 2019, 21, 2485 DOI: 10.1039/C9CE00279K
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