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Updated: Apr 29, 2026

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry
Published on: October 6, 2023
Two novel metal borates with three-dimensional open-framework layers constructed from [M2B8O20(OH)2] (M = Al, Ga)
1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. ygy@fjirsm.ac.cn.
Abstract:
Two novel metal borates, Ba[MB4O8(OH)]·H2O (M = Al/Ga), with a three-dimensional open-framework layer have been synthesized under hydro(solvo)thermal conditions, in which the Al(3+)/Ga(3+) ions have been successfully introduced into the oxoboron cluster backbone and further linked together to form the open-framework layer composed of the [M2B8O20(OH)2] cluster units. The half-unit [MB4O11(OH)] can be viewed as analogous to the known [B5O9(OH)] cluster. Interestingly, the rare M-O-M linkages play a crucial role in forming the open-framework layer.
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