First Refinement of the Sinoite Structure of a Natural Crystal from the Neuschwanstein (EL6) Meteorite-Reference-Cited by-同舟云学术

First Refinement of the Sinoite Structure of a Natural Crystal from the Neuschwanstein (EL6) Meteorite

Published:2005-12-01 Issue:12 Volume:60 Page:1231-1234
ISSN:1865-7117
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Bischoff Addi¹,Grund Thorsten¹,Jording Thomas¹,Heying Birgit²,Hoffmann Rolf-Dieter³,Rodewald Ute C.²,Pöttgen Rainer⁴

Affiliation:

1. Institut für Planetologie and ICEM (Interdisciplinary Center for Electron Microscopy and Microanalysis), Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 10, D-48149 Münster, Germany

2. Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, D-48149 Münster, Germany

3. Institut für Anorganische und Analytische Chemie, Westfäische Wilhelms-Universitä Münster, Corrensstraße 36, D-48149 Münster, Germany

4. Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universitt Münster, Corrensstraße 36, D-48149 Münster, Germany

Abstract

A well-shaped sinoite crystal was milled out of a polished thin section of the Neuschwanstein (EL6) chondrite. The structure was refined on the basis of X-ray single crystal data:Cmc21, a=885.66(18), b = 549.61(11), c = 484.23(10) pm, R1 = 0.0282, 491 F2 values, 26 variable parameters. The structure consists of a complex three-dimensional network of corner-sharing SiN3O tetrahedra (Si-O 161.9, Si-N 171.9-172.8 pm). The crystal chemical peculiarities of Si2N2O are briefly discussed.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2005-1203/pdf

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