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Issue 35, 2019
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Structural insights into three phosphates with distinct polyanionic configurations

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Abstract

Three mixed-metal phosphates, namely, centrosymmetric LiSrP3O9 and LiCsP2O6 as well as noncentrosymmetric K2SrP4O12 have been synthesized by the high temperature solution method. These structures were characterized by single-crystal X-ray diffraction and their P–O units are shown to feature distinct polyanionic configurations from [PO3] chains in LiSrP3O9 to [P4O12]4− rings in LiCsP2O6 and K2SrP4O12. Besides, K2SrP4O12 shows a moderate second harmonic generation response about 0.6 times that of KH2PO4 and can be applied as a potential nonlinear optical material for the ultraviolet spectral region. Thermal behaviour analyses indicate that the compounds LiSrP3O9 and K2SrP4O12 remain stable up to 659 and 698 °C, respectively. In addition, the crystal structures, thermal stabilities and infrared spectra of the title compounds have been examined.

Graphical abstract: Structural insights into three phosphates with distinct polyanionic configurations

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Supplementary files

Article information


Submitted
09 Jul 2019
Accepted
06 Aug 2019
First published
21 Aug 2019

Dalton Trans., 2019,48, 13406-13412
Article type
Paper

Structural insights into three phosphates with distinct polyanionic configurations

J. Sun, H. Wu, M. Mutailipu, Z. Yang and S. Pan, Dalton Trans., 2019, 48, 13406
DOI: 10.1039/C9DT02842K

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