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- Title
Ni[B<sub>2</sub>(SO<sub>4</sub>)<sub>4</sub>] and Co[B<sub>2</sub>(SO<sub>4</sub>)<sub>4</sub>]: Unveiling Systematic Trends in Phyllosilicate Analogue Borosulfates.
- Authors
Pasqualini, Leonard C.; Janka, Oliver; Olthof, Selina; Huppertz, Hubert; Liedl, Klaus R.; Pöttgen, Rainer; Podewitz, Maren; Bruns, Jörn
- Abstract
Borosulfates are compounds analogous to silicates, with heteropolyanionic subunits of vertex‐linked (SO4)‐ and (BO4)‐tetrahedra. In contrast to the immense structural diversity of silicates, the number of borosulfates is yet very limited and the extent of their properties is still unknown. This is particularly true for representatives with phyllosilicate and tectosilicate analogue anionic substructures. Herein, we present Ni[B2(SO4)4] and Co[B2(SO4)4], two new borosulfates with phyllosilicate analogue topology. While the anionic subunits of both structures are homeotypic, the positions of the charge compensating cations differ significantly: NiII is located between the borosulfate layers, while CoII—in contrast—is embedded within the layer. Detailed analysis of these two structures based on single‐crystal X‐ray diffraction, magnetochemical investigations, X‐ray photoelectron spectroscopy, and quantum chemical calculations, unveiled the reasons for this finding. By in silico comparison with other divalent borosulfates, we uncovered systematic trends for phyllosilicate analogues leading to the prediction of new species.
- Subjects
X-ray photoelectron spectroscopy; SODIUM borohydride; X-ray diffraction
- Publication
Chemistry - A European Journal, 2020, Vol 26, Issue 72, p17405
- ISSN
0947-6539
- Publication type
Academic Journal
- DOI
10.1002/chem.202002221