Na2Cu+[Cu2+ 3O](AsO4)2Cl and Cu3[Cu3O]2(PO4)4Cl2: two new structure types based upon chains of oxocentered tetrahedra-Reference-Cited by-同舟云学术

Na₂Cu⁺[Cu²⁺ ₃O](AsO₄)₂Cl and Cu₃[Cu₃O]₂(PO₄)₄Cl₂: two new structure types based upon chains of oxocentered tetrahedra

Published:2022-08-12 Issue:8-9 Volume:237 Page:343-350
ISSN:2194-4946
Container-title:Zeitschrift für Kristallographie - Crystalline Materials
language:en
Short-container-title:

Author:

Kornyakov Ilya V.¹²,Krivovichev Sergey V.¹³

Affiliation:

1. Department of Crystallography , St. Petersburg State University , University Emb. 7/9, 199034 St. Petersburg , Russia

2. Laboratory of Nature-Inspired Technologies and Environmental Safety of the Arctic, Kola Science Centre , Russian Academy of Sciences , Fersmana 14, 184209 Apatity , Russia

3. Nanomaterials Research Centre, Kola Science Centre , Russian Academy of Sciences , Fersmana 14, 184209 Apatity , Russia

Abstract

Abstract Single crystals of Na2Cu+[Cu2+ 3O](AsO4)2Cl (1) and Cu3[Cu3O]2(PO4)4Cl2 (2) were prepared by chemical vapor transport reactions. Both crystal structures are based upon the same [O2Cu6]8+ chains formed by corner-sharing (OCu4)6+ tetrahedra and interconnected by (TO4)3− (T = P, As) tetrahedra into porous {[OCu3](TO4)2Cl}3− frameworks. The channels within the frameworks are occupied by Na+, Cu+ and Cl− ions in the crystal structure of 1, whereas the channels in the structure of 2 contain edge-sharing CuO4Cl tetragonal pyramids. Both compounds are structurally related to the previously described synthetic Na2Cu+[Cu2+ 3O](PO4)2Cl and NaCu2+[Cu2+ 3O](PO4)2Cl. The compound 2 is structurally and chemically related to yaroshevskite, Cu3[Cu3O]2(VO4)4Cl2, a mineral discovered in volcanic fumaroles, but the two structure types are drastically different. The crystal chemical analysis of the title and related compounds allows to recognize a family of at least four compounds based upon {[OCu3](TO4)2Cl}3− frameworks with channels occupied by different chemical constituents.

Publisher

Walter de Gruyter GmbH

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/zkri-2022-0046/pdf

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