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Synthesis, characterization and crystal structure of a new mixed alkali and alkaline-earth metal borate Rb9Ba24(BO3)19

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Abstract

A new mixed alkali and alkaline-earth metal borate, Rb9Ba24(BO3)19, has been synthesized by a high-temperature solution method. Single crystal X-ray crystallographic investigation reveals that it crystallizes in the trigonal space group P[3 with combining macron]m1 (No. 164) with unit cell parameters of a = b = 16.977(3) Å, c = 7.282(2) Å, and Z = 1. Rb9Ba24(BO3)19 possesses an intricate three-dimensional (3D) Ba–O framework with three types of infinite channels viewing along the c axis where the Rb+ cations and isolated BO3 units are located. The synthesis, single crystal growth, thermal behavior, IR spectrum and UV-vis-NIR diffuse reflectance spectrum of the title compound have been comprehensively studied.

Graphical abstract: Synthesis, characterization and crystal structure of a new mixed alkali and alkaline-earth metal borate Rb9Ba24(BO3)19

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Article information


Submitted
20 Dec 2019
Accepted
13 Feb 2020
First published
13 Feb 2020

New J. Chem., 2020, Advance Article
Article type
Paper

Synthesis, characterization and crystal structure of a new mixed alkali and alkaline-earth metal borate Rb9Ba24(BO3)19

X. Niu and L. Wang, New J. Chem., 2020, Advance Article , DOI: 10.1039/C9NJ06320J

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