Issue 28, 2018

K2TeP2O8: a new telluro-phosphate with a pentagonal Te–P–O layer structure

Abstract

A new telluro-phosphate K2TeP2O8 was synthesized by a high temperature solution method. It crystallizes in the orthorhombic space group P21212 and features a [TeP2O8]2− layer structure, which is the first layer structure built by Te–O and P–O groups among the telluro-phosphates. More interestingly, the layer structure in K2TeP2O8 is nearly pentagonal. First-principles theoretical calculations suggest that K2TeP2O8 possesses a large birefringence compared to phosphates. Furthermore, IR spectra, UV-vis-NIR diffuse reflectance spectroscopy data, thermal behavior, and electronic structure calculations were studied.

Graphical abstract: K2TeP2O8: a new telluro-phosphate with a pentagonal Te–P–O layer structure

Supplementary files

Article information

Article type
Paper
Submitted
20 Apr 2018
Accepted
19 Jun 2018
First published
19 Jun 2018

Dalton Trans., 2018,47, 9453-9458

K2TeP2O8: a new telluro-phosphate with a pentagonal Te–P–O layer structure

M. Wen, C. Hu, Z. Yang, X. Wu and S. Pan, Dalton Trans., 2018, 47, 9453 DOI: 10.1039/C8DT01576G

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