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Open AccessArticle

M[B2(SO4)4] (M = Mn, Zn)—Syntheses and Crystal Structures of Two New Phyllosilicate Analogue Borosulfates

1
Institute of General, Inorganic and Theoretical Chemistry, University of Innsbruck, Innrain 80-82, 6020 Innsbruck, Austria
2
Institute of Inorganic Chemistry, University of Cologne, Greinstrasse 6, 50939 Cologne, Germany
*
Author to whom correspondence should be addressed.
Inorganics 2019, 7(12), 145; https://doi.org/10.3390/inorganics7120145
Received: 26 November 2019 / Revised: 8 December 2019 / Accepted: 10 December 2019 / Published: 17 December 2019
(This article belongs to the Special Issue Oxido Compounds)
Borosulfates are a rapidly expanding class of silicate analogue materials, where the structural diversity is expected to be at least as large as known for silicates. However, borosulfates with cross-linking of the anionic network into two or even three dimensions are still very rare. Herein, we present two new representatives with phyllosilicate analogue topology. Through solvothermal reactions of ZnO and MnCl2∙4H2O with boric acid in oleum (65% SO3), we obtained single-crystals of Mn[B2(SO4)4] (monoclinic, P21/n, Z = 2, a = 8.0435(4), b = 7.9174(4), c = 9.3082(4) Å, β = 110.94(1)°, V = 553.63(5) Å3) and Zn[B2(SO4)4] (monoclinic, P21/n, Z = 2, a = 7.8338(4), b = 8.0967(4), c = 9.0399(4) Å, β = 111.26(1)°, V = 534.36(5) Å3). The crystal structures reveal layer-like anionic networks with alternating vierer- and zwölfer-rings formed exclusively by corner-linked (SO4)- and (BO4)-tetrahedra. View Full-Text
Keywords: solvothermal synthesis; crystal structure; borosulfate; manganese; zinc; X-ray diffraction solvothermal synthesis; crystal structure; borosulfate; manganese; zinc; X-ray diffraction
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MDPI and ACS Style

Pasqualini, L.C.; Huppertz, H.; Bruns, J. M[B2(SO4)4] (M = Mn, Zn)—Syntheses and Crystal Structures of Two New Phyllosilicate Analogue Borosulfates. Inorganics 2019, 7, 145.

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