Published May 2019 | Version v1
Journal article Metadata-only

New Lead Orthosilicate {Pb4(О(ОН)2)}[SiO4] with a Framework of Anion-Centered Pb Tetrahedra Related to Sodalite

Creators

  • 1. Moscow State University (Russian Federation)

Description

New lead silicate {Pb4(О(ОН)2)}[SiO4] was synthesized under hydrothermal conditions and structurally characterized, sp. gr. P213, а = 8.9756(13) Å. According to the commonly used classification, the new compound belongs to orthosilicates. In the crystal structure, isolated SiO4 tetrahedra are located between numerous Pb atoms. The structure can be considered as an anion-centered positively charged zeolite-like framework composed of {O3Pb7}8+ clusters, which are linked to each other and include three edge-sharing (OPb4)6+ tetrahedra with one common vertex. The formula of this positively charged antiframework is {O(ОН)2Pb4}4+, and its cavities are occupied by negatively charged [SiO4]4– tetrahedra. This framework is similar to that of sodalite when relating the sites to the centers of gravity of the {O3Pb7}8+ clusters.

Additional details

Identifiers

DOI
10.1134/S1063774519030040;

Publishing Information

Journal Title
Crystallography Reports
Journal Volume
64
Journal Issue
3
Journal Page Range
p. 398-402
ISSN
1063-7745
CODEN
CYSTE3

INIS

Country of Publication
Russian Federation
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
51091290
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Descriptors DEI
ANIONS; ATOMS; CLASSIFICATION; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; LEAD; LEAD SILICATES; SILICON OXIDES; ZEOLITES
Descriptors DEC
CHALCOGENIDES; CHARGED PARTICLES; CRYSTAL STRUCTURE; ELEMENTS; INORGANIC ION EXCHANGERS; ION EXCHANGE MATERIALS; IONS; LEAD COMPOUNDS; MATERIALS; METALS; MINERALS; OXIDES; OXYGEN COMPOUNDS; SILICATE MINERALS; SILICATES; SILICON COMPOUNDS

Optional Information

Copyright
Copyright (c) 2019 Pleiades Publishing, Inc.