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Deformation Mechanism of the LOSOD-Type Framework in Minerals of Bystrite Subgroup with a Change in Temperature and Chemical Composition

Deformation Mechanism of the LOSOD-Type Framework in Minerals of Bystrite Subgroup with a Change... Abstract— A Low-temperature (100 K) analysis of the crystalline structures of Cl-bystrite and sulfhydrylbystrite has been carried out, and the data obtained have been compared with the room-temperature characteristics of these minerals. The framework deformations are considered as a result of change in the ditrigonality of six-membered tetrahedral rings: the decrease in the unit-cell volume at low temperature is determined mainly by the increase in the ditrigonality (compression) of six-membered framework rings. Oblique and vertical (corrugated) rings are distorted to a greater extent than horizontal rings. The deformation mechanisms is shown to be the same for the frameworks of bystrite-subgroup minerals and the sodalite framework. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Deformation Mechanism of the LOSOD-Type Framework in Minerals of Bystrite Subgroup with a Change in Temperature and Chemical Composition

Sapozhnikov, A. N.; Kaneva, E. V.
Crystallography Reports , Volume 63 (7): 5 – Dec 1, 2018
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References (17)

Publisher
Springer Journals
Copyright
2018 Pleiades Publishing, Inc.
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/s1063774518070210
Publisher site
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Abstract

Abstract— A Low-temperature (100 K) analysis of the crystalline structures of Cl-bystrite and sulfhydrylbystrite has been carried out, and the data obtained have been compared with the room-temperature characteristics of these minerals. The framework deformations are considered as a result of change in the ditrigonality of six-membered tetrahedral rings: the decrease in the unit-cell volume at low temperature is determined mainly by the increase in the ditrigonality (compression) of six-membered framework rings. Oblique and vertical (corrugated) rings are distorted to a greater extent than horizontal rings. The deformation mechanisms is shown to be the same for the frameworks of bystrite-subgroup minerals and the sodalite framework.

Journal

Crystallography Reports – Springer Journals

Published: Dec 1, 2018

Keywords: Crystallography and Scattering Methods

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