Single crystal x-ray study of rhombohedral cobalt-fluorine (OH) boracite

Berset, Guy; Yvon, Klaus; Depmeier, Wulf; Boutellier, Roland; Schmid, Hans

doi:10.1080/00150198408012708

Scientific article

English

Single crystal x-ray study of rhombohedral cobalt-fluorine (OH) boracite

ContributorsBerset, Guy; Yvon, Klaus; Depmeier, Wulf; Boutellier, Roland; Schmid, Hans

Published inFerroelectrics, vol. 56, no. 1, p. 13-16

Publication date1984

Abstract

Co3B7O13F(OH), space group R3c, arh =12.0738(6) Å, αrh = 89.59(5), Z=6, residual R=0.059 (1970 reflections, 78 parameters). In contrast to cubic boracites the structure contains strong metal-halogen bonds (d(Co—F)=2.169(3) Å). Some of the oxygen-boron bonds are considerably weakened.

Keywords

Crystal structure
Molecular structure (of cobalt fluorine hydroxy boracite)

Affiliation entities

Faculté des sciences / Section de chimie et biochimie / Département de chimie minérale, analytique et appliquée

Funding

Swiss National Science Foundation - 1983

Citation (ISO format)

BERSET, Guy et al. Single crystal x-ray study of rhombohedral cobalt-fluorine (OH) boracite. In: Ferroelectrics, 1984, vol. 56, n° 1, p. 13–16. doi: 10.1080/00150198408012708

Article (Published version)

Identifiers

PID : unige:30828
DOI : 10.1080/00150198408012708

Journal ISSN0015-0193

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Update14/03/2023 20:35:20

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Single crystal x-ray study of rhombohedral cobalt-fluorine (OH) boracite

Co3B7O13F(OH), space group R3c, arh =12.0738(6) Å, αrh = 89.59(5), Z=6, residual R=0.059 (1970 reflections, 78 parameters). In contrast to cubic boracites the structure contains strong metal-halogen bonds (d(Co—F)=2.169(3) Å). Some of the oxygen-boron bonds are considerably weakened.

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