Redetermination of the structure of hessite, Ag2Te-III

A. van der Lee; J. L. de Boer

doi:10.1107/S0108270193003294

Redetermination of the structure of hessite, Ag2Te-III

A. van der Lee, J. L. de Boer

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

This single-crystal study confirms the space-group symmetry reported previously [Frueh (1959). Z. Kristallogr. 112, 44-52], but proves that interatomic distances were miscalculated, leading to incorrect assignment of coordination number for one Ag atom and incorrect structure description. The structure can be regarded as a strongly distorted antifluorite structure with both independent Ag atoms approximately tetrahedrally coordinated by Te. The Ag-Te distances are in the range 2.8415 (7)-3.034 (1) angstrom. The shortest Ag-Ag distance is 2.841 (1) angstrom, shorter than in metallic silver (2.89 angstrom).

Original language	English
Pages (from-to)	1444-1446
Number of pages	3
Journal	Acta Crystallographica Section C: Crystal Structure Communications
Volume	49
DOIs	https://doi.org/10.1107/S0108270193003294
Publication status	Published - 15-Aug-1993

Keywords

CALAVERITE
AUTE2

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Redetermination of the structure of hessite, Ag2Te-III
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abstract = "This single-crystal study confirms the space-group symmetry reported previously [Frueh (1959). Z. Kristallogr. 112, 44-52], but proves that interatomic distances were miscalculated, leading to incorrect assignment of coordination number for one Ag atom and incorrect structure description. The structure can be regarded as a strongly distorted antifluorite structure with both independent Ag atoms approximately tetrahedrally coordinated by Te. The Ag-Te distances are in the range 2.8415 (7)-3.034 (1) angstrom. The shortest Ag-Ag distance is 2.841 (1) angstrom, shorter than in metallic silver (2.89 angstrom).",

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AU - van der Lee, A.

AU - de Boer, J. L.

PY - 1993/8/15

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N2 - This single-crystal study confirms the space-group symmetry reported previously [Frueh (1959). Z. Kristallogr. 112, 44-52], but proves that interatomic distances were miscalculated, leading to incorrect assignment of coordination number for one Ag atom and incorrect structure description. The structure can be regarded as a strongly distorted antifluorite structure with both independent Ag atoms approximately tetrahedrally coordinated by Te. The Ag-Te distances are in the range 2.8415 (7)-3.034 (1) angstrom. The shortest Ag-Ag distance is 2.841 (1) angstrom, shorter than in metallic silver (2.89 angstrom).

AB - This single-crystal study confirms the space-group symmetry reported previously [Frueh (1959). Z. Kristallogr. 112, 44-52], but proves that interatomic distances were miscalculated, leading to incorrect assignment of coordination number for one Ag atom and incorrect structure description. The structure can be regarded as a strongly distorted antifluorite structure with both independent Ag atoms approximately tetrahedrally coordinated by Te. The Ag-Te distances are in the range 2.8415 (7)-3.034 (1) angstrom. The shortest Ag-Ag distance is 2.841 (1) angstrom, shorter than in metallic silver (2.89 angstrom).

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M3 - Article

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JO - Acta Crystallographica Section C: Crystal Structure Communications

JF - Acta Crystallographica Section C: Crystal Structure Communications

ER -

Redetermination of the structure of hessite, Ag2Te-III

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