Issue 37, 2021

The tin sulfates Sn(SO4)2 and Sn2(SO4)3: crystal structures, optical and thermal properties

Abstract

We report the crystal structures of two tin(IV) sulfate polymorphs Sn(SO4)2-I (P21/c (no. 14), a = 504.34(3), b = 1065.43(6), c = 1065.47(6) pm, β = 91.991(2)°, 4617 independent reflections, 104 refined parameters, wR2 = 0.096) and Sn(SO4)2-II (P21/n (no. 14), a = 753.90(3), b = 802.39(3), c = 914.47(3) pm, β = 92.496(2)°, 3970 independent reflections, 101 refined parameters, wR2 = 0.033). Moreover, the first heterovalent tin sulfate Sn2(SO4)3 is reported which adopts space group P[1 with combining macron] (no. 2) (a = 483.78(9), b = 809.9(2), c = 1210.7(2) pm, α = 89.007(7)°, β = 86.381(7)°, γ = 73.344(7)°, 1602 independent reflections, 152 refined parameters, wR2 = 0.059). Finally, SnSO4 – the only tin sulfate with known crystal structure – was revised and information complemented. The optical and thermal properties of all tin sulfates are investigated by FTIR, UV-vis, luminescence and 119Sn Mössbauer spectroscopy as well as thermogravimetry and compared.

Graphical abstract: The tin sulfates Sn(SO4)2 and Sn2(SO4)3: crystal structures, optical and thermal properties

Supplementary files

Article information

Article type
Paper
Submitted
01 Maw 2021
Accepted
09 Mha 2021
First published
09 Mha 2021

Dalton Trans., 2021,50, 12913-12922

The tin sulfates Sn(SO4)2 and Sn2(SO4)3: crystal structures, optical and thermal properties

M. Hämmer, P. Netzsch, S. Klenner, K. Neuschulz, M. Struckmann, M. S. Wickleder, M. Daub, H. Hillebrecht, R. Pöttgen and H. A. Höppe, Dalton Trans., 2021, 50, 12913 DOI: 10.1039/D1DT02189C

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