The crystal structure of Sr-hardystonite, Sr2ZnSi2O7-Reference-Cited by-同舟云学术

The crystal structure of Sr-hardystonite, Sr2ZnSi2O7

Published:2010-07 Issue:7 Volume:225 Page:298-301
ISSN:0044-2968
Container-title:Zeitschrift für Kristallographie
language:en
Short-container-title:

Author:

Ardit Matteo,Cruciani Giuseppe¹,Dondi Michele²

Affiliation:

1. University of Ferrara, Earth Science Department, Ferrara, Italien

2. Institute of Science and Technology for Ceramics (ISTEC CNR), Faenza, Italien

Abstract

AbstractA synthetic strontium isomorph (Sr2ZnSi2O7) of the hardystonite structure (Ca2ZnSi2O7) was investigated with X-ray powder diffraction. The average structure (S.G.P-421m),a= 8.0007(1) Å,c= 5.1722(1) Å, was refined by Rietveld method and aRF2= 0.0216 was achieved using 394 independent reflections. The results show that Sr-hardystonite has a melilite-type structure with no incommensurate modulations. Its geometrical and bonding features are consistent with trends defined by the other so-called normal and modulated melilite structures.

Publisher

Walter de Gruyter GmbH

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1524/zkri.2010.1256/pdf

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