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Sn6SiO8, a tin(II) silicate with a zinc blende related structure and high thermal stability

DOI: 10.1021/acs.inorgchem.9b02615 DOI Help

Authors: Daniel S. Parsons (University of Birmingham) , Savvaki N. Savva (University of Birmingham) , Wai Chi Tang (University of Birmingham) , Andrew Ingram (University of Birmingham) , Joseph A. Hriljac (University of Birmingham; Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Inorganic Chemistry

State: Published (Approved)
Published: December 2019
Diamond Proposal Number(s): 12092

Abstract: The crystal structure of a novel cubic tin(II) silicate, Sn6SiO8 (space group F4̅3m, a = 10.40708(2) Å, and Z = 4), synthesized by microwave-assisted hydrothermal synthesis has been solved by Rietveld refinement of the powder X-ray diffraction (PXRD) data. The structure, analogous to zinc blende, comprises a face-centered-cubic array of [Sn6O8]4– anions, with Si4+ occupying half of the tetrahedral holes. The tin(II) silicate has been further characterized by variable-temperature PXRD, demonstrating stability of the structure and resistance to SnII oxidation up to ∼600 °C, when the compound begins to thermally decompose.

Subject Areas: Chemistry

Instruments: I11-High Resolution Powder Diffraction