Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH4)2K2TeMo6O22·2H2O with One-Dimensional Anionic Polymeric Chain [TeMo6O22]4−

A new tellurium polyoxomolybdate hydrate (NH4)2K2TeMo6O22·2H2O was synthesized via the hydrothermal reaction method at 190 °C. The compound crystallizes in a one-...

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Main Authors:	Lei Geng, Yunjian Wang
Format:	Article
Language:	English
Published:	MDPI AG 2021-04-01
Series:	Crystals
Subjects:	tellurium polyoxomolybdate [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> hexamolybdotellurate chain crystal structure hydrothermal synthesis
Online Access:	https://www.mdpi.com/2073-4352/11/4/375

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spelling	doaj-e63f1ff54b624660a1e7d9c46e60b66e2021-04-03T23:02:56ZengMDPI AGCrystals2073-43522021-04-011137537510.3390/cryst11040375Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>Lei Geng0Yunjian Wang1College of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, Shandong, ChinaCollege of Chemistry and Materials Science, Huaibei Normal University, Huaibei 235000, Anhui, ChinaA new tellurium polyoxomolybdate hydrate (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O was synthesized via the hydrothermal reaction method at 190 °C. The compound crystallizes in a one-dimensional tellurium polymolybdate [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> chain structure. The anionic polymeric chain is composed of Mo<sub>6</sub>O<sub>22</sub> hexamers bridged together through sharing four corner oxygen atoms on the electron lone-paired TeO<sub>4</sub> group. The Mo<sub>6</sub>O<sub>22</sub> hexamer cluster is assembled from six distorted MoO<sub>6</sub> octahedra in an edge-sharing manner. The ammonium and potassium cations distribute around the [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> chains and separate them from each other and maintain the charge balance. The thermal stability and optical properties of the compound were also investigated. The optical absorption data reveal that the compound is a wide band semiconductor with an optical band gap of 3.4 eV.https://www.mdpi.com/2073-4352/11/4/375tellurium polyoxomolybdate[TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> hexamolybdotellurate chaincrystal structurehydrothermal synthesis
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Lei Geng Yunjian Wang
spellingShingle	Lei Geng Yunjian Wang Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> Crystals tellurium polyoxomolybdate [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> hexamolybdotellurate chain crystal structure hydrothermal synthesis
author_facet	Lei Geng Yunjian Wang
author_sort	Lei Geng
title	Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>
title_short	Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>
title_full	Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>
title_fullStr	Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>
title_full_unstemmed	Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>
title_sort	synthesis and characterization of ammonium potassium tellurium polyoxomolybdate: (nh<sub>4</sub>)<sub>2</sub>k<sub>2</sub>temo<sub>6</sub>o<sub>22</sub>·2h<sub>2</sub>o with one-dimensional anionic polymeric chain [temo<sub>6</sub>o<sub>22</sub>]<sup>4−</sup>
publisher	MDPI AG
series	Crystals
issn	2073-4352
publishDate	2021-04-01
description	A new tellurium polyoxomolybdate hydrate (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O was synthesized via the hydrothermal reaction method at 190 °C. The compound crystallizes in a one-dimensional tellurium polymolybdate [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> chain structure. The anionic polymeric chain is composed of Mo<sub>6</sub>O<sub>22</sub> hexamers bridged together through sharing four corner oxygen atoms on the electron lone-paired TeO<sub>4</sub> group. The Mo<sub>6</sub>O<sub>22</sub> hexamer cluster is assembled from six distorted MoO<sub>6</sub> octahedra in an edge-sharing manner. The ammonium and potassium cations distribute around the [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> chains and separate them from each other and maintain the charge balance. The thermal stability and optical properties of the compound were also investigated. The optical absorption data reveal that the compound is a wide band semiconductor with an optical band gap of 3.4 eV.
topic	tellurium polyoxomolybdate [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup> hexamolybdotellurate chain crystal structure hydrothermal synthesis
url	https://www.mdpi.com/2073-4352/11/4/375
work_keys_str_mv	AT leigeng synthesisandcharacterizationofammoniumpotassiumtelluriumpolyoxomolybdatenhsub4subsub2subksub2subtemosub6subosub22sub2hsub2subowithonedimensionalanionicpolymericchaintemosub6subosub22subsup4sup AT yunjianwang synthesisandcharacterizationofammoniumpotassiumtelluriumpolyoxomolybdatenhsub4subsub2subksub2subtemosub6subosub22sub2hsub2subowithonedimensionalanionicpolymericchaintemosub6subosub22subsup4sup
_version_	1721543508729266176

Synthesis and Characterization of Ammonium Potassium Tellurium Polyoxomolybdate: (NH<sub>4</sub>)<sub>2</sub>K<sub>2</sub>TeMo<sub>6</sub>O<sub>22</sub>·2H<sub>2</sub>O with One-Dimensional Anionic Polymeric Chain [TeMo<sub>6</sub>O<sub>22</sub>]<sup>4−</sup>

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