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The Order–Disorder (OD) Polytypism of [Cu2ZnTeO4]2+[SO4·H2O]2


Stoger, B and Weil, M and Missen, OP and Mills, SJ, The Order-Disorder (OD) Polytypism of [Cu2ZnTeO4]2+[SO4 H2O]2−, Crystal Research and Technology, 55, (5) Article 1900182. ISSN 0232-1300 (2020) [Refereed Article]

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DOI: doi:10.1002/crat.201900182


[Cu2ZnTeO4]2+[SO4·H2O]2− crystallizes as a category IV order‒disorder (OD) structure with two kinds of nonpolar layers with the formal composition [Cu2ZnTeO4]2+ and [SO4·H2O]2−, respectively. Reflection symmetry that is only valid for the [Cu2ZnTeO4]2+ layers leads to two ways of placing the [SO4·H2O]2− layers. Two of the polytypes are of a maximum degree of order (MDO1: P21/m and MDO2: Pnma). The crystal under investigation is mostly of the MDO2 polytype. Remaining positive electron density peaks in the difference Fourier maps indicate fragments of the MDO1 polytype.

Item Details

Item Type:Refereed Article
Keywords:antiphase domains, crystal structures, order‒disorder theory, polytypism, tellurite
Research Division:Chemical Sciences
Research Group:Inorganic chemistry
Research Field:Crystallography
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the chemical sciences
UTAS Author:Missen, OP (Dr Owen Missen)
ID Code:154961
Year Published:2020
Web of Science® Times Cited:2
Deposited By:CODES ARC
Deposited On:2023-01-20
Last Modified:2023-01-25

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