Expansion and adaptation of the M
5B12O25(OH) structure type to incorporate di- and trivalent transition metal cations
Author:
Pasqualini Leonard C.1ORCID, Tribus Martina2, Huppertz Hubert1ORCID
Affiliation:
1. Department of General, Inorganic and Theoretical Chemistry , University of Innsbruck , Innrain 80–82 , 6020 Innsbruck , Austria 2. Department of Mineralogy and Petrography , University of Innsbruck , Innrain 52 , 6020 Innsbruck , Austria
Abstract
Abstract
Five transition metal borates were synthesized in a Walker-type module under high-pressure/high-temperature conditions of 8–9 GPa and 800–1200 °C. They all exhibit the same interpenetrating, anionic borate network B12O26
16−, crystallizing in the space group I41/acd, and therefore show high similarities to the borates Ti5B12O26 and Ga5B12O25(OH). Cr5B12O25(OH) and V5B12O25(OH) are isotypic to Ga5B12O25(OH), whereas Mn5Mn0.83B12O26 and Fe5Fe0.14B12O24.3(OH)1.7 feature the partial occupation of an additional, cuboctahedral cavity in the structure. This is due to a partial reduction of the cations to the oxidation state +2, as presented with the novel compound Mn5MnB12O22(OH)4, which only features Mn2+ for charge compensation. These structures feature a twelvefold coordination of manganese and iron.
Publisher
Walter de Gruyter GmbH
Reference24 articles.
1. Haberer, A., Huppertz, H. J. Solid State Chem. 2009, 182, 484–490; https://doi.org/10.1016/j.jssc.2008.11.022. 2. Vitzthum, D., Wurst, K., Pann, J. M., Brüggeller, P., Seibald, M., Huppertz, H. Angew. Chem. Int. Ed. 2018, 57, 11451–11455; https://doi.org/10.1002/anie.201804083. 3. Vitzthum, D., Wimmer, D. S., Widmann, I., Huppertz, H. Z. Naturforsch. 2020, 75b, 605–613; https://doi.org/10.1515/znb-2020-0075. 4. Vitzthum, D., Widmann, I., Wimmer, D. S., Wurst, K., Joachim-Mrosko, B., Huppertz, H. Eur. J. Inorg. Chem. 2021, 2021, 1165–1174; https://doi.org/10.1002/ejic.202001136. 5. Marchuk, A., Neudert, L., Oeckler, O., Schnick, W. Eur. J. Inorg. Chem. 2014, 2014, 3427–3434; https://doi.org/10.1002/ejic.201402302.
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