Synthesis of silicophosphates containing SiO6-octahedra under ambient conditions – reactions of anhydrous H3PO4 with alkoxysilanes

Sandra Jähnigen; Erica Brendler; Uwe Böhme; Edwin Kroke

doi:10.1039/C2CC31600E

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Synthesis of silicophosphates containing SiO₆-octahedra under ambient conditions – reactions of anhydrous H₃PO₄ with alkoxysilanes†

Sandra Jähnigen,^a Erica Brendler,^b Uwe Böhme^a and Edwin Kroke*^a

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* Corresponding authors

^a TU Bergakademie Freiberg, Institut für Anorganische Chemie, Leipziger Straße 29, 09596 Freiberg, Germany
E-mail: Edwin.Kroke@chemie.tu-freiberg.de
Fax: +49 (0)3731 394058
Tel: +49 (0)3731 393174

^b TU Bergakademie Freiberg, Institut für Analytische Chemie, Leipziger Straße 29, 09596 Freiberg, Germany

Abstract

Anhydrous H₃PO₄ reacts in diethylether solution at room temperature with ethoxysilanes to form silicophosphates which contain SiO₆-units. A single crystal X-ray structure provides evidence for silicophosphate structures comprised of alternating SiO₄- and PO₄-tetrahedra as well as SiO₆-octahedra.

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Article information

DOI: https://doi.org/10.1039/C2CC31600E
Article type: Communication
Submitted: 02 Mar 2012
Accepted: 22 May 2012
First published: 20 Jun 2012

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Chem. Commun., 2012,48, 7675-7677

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Synthesis of silicophosphates containing SiO₆-octahedra under ambient conditions – reactions of anhydrous H₃PO₄ with alkoxysilanes

S. Jähnigen, E. Brendler, U. Böhme and E. Kroke, Chem. Commun., 2012, 48, 7675 DOI: 10.1039/C2CC31600E

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