Abstract
Abstract The mixed cation triel borate Ga4In4B15O33(OH)3 was synthesized in a Walker-type multianvil apparatus at high-pressure/high-temperature conditions of 12.5 GPa and 1300°C. Although the product could not be reproduced in further experiments, its crystal structure could be reliably determined via single-crystal X-ray diffraction data. Ga4In4B15O33(OH)3 crystallizes in the tetragonal space group I41/a (origin choice 2) with the lattice parameters a = 11.382(2), c = 15.244(2) Å, and V = 1974.9(4) Å3. The structure of the quaternary triel borate consists of a complex network of BO4 tetrahedra, edge-sharing InO6 octahedra in dinuclear units, and very dense edge-sharing GaO6 octahedra in tetranuclear units.
Highlights
In the last decade, extensive research has been carried out in the field of group 13 element borates which yielded numerous new structures featuring interesting properties
The product could not be reproduced in further experiments, its crystal structure could be reliably determined via single-crystal X-ray diffraction data
Gallium and indium borates shifted into the research focus due to their photocatalytic properties
Summary
Extensive research has been carried out in the field of group 13 element borates which yielded numerous new structures featuring interesting properties. Gallium and indium borates shifted into the research focus due to their photocatalytic properties. During the last 5 years, the results of seven photocatalytic studies of indium or gallium borates have been published [1, 8,9,10,11,12,13]. 14 borates are known in the systems Ga-B-O(-H) and InB-O(-H), from which 12 have been published since 2010. This emerging research field has benefited from the
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