Crystal structure of Ba2Co(BO3)2

Crystal structure of Ba2Co(BO3)2

Single crystals of dibarium cobalt(II) bis(orthoborate), Ba2Co(BO3)2, have been obtained from the melt. The crystal structure is composed of two isolated (BO3)3− triangles linked to Co2+ cations. The resulting [CoO5] square pyramids and the borate anions make up branched rows extending parallel to [...

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Bibliographic Details
Main Authors: Fatima-Ezahra N'Faoui, Jilali Aride, Ali Boukhari, M'Hamed Taibi, Mohamed Saadi, Lahcen El Ammari
Format: Article
Language:English
Published: International Union of Crystallography 2019-03-01
Series:Acta Crystallographica Section E: Crystallographic Communications
Subjects:
cobalt borate
diborates
Ba2Co(BO3)2
crystal structure
crystal growth
X-ray diffraction
Online Access:http://scripts.iucr.org/cgi-bin/paper?S2056989019002597
Description
Summary:Single crystals of dibarium cobalt(II) bis(orthoborate), Ba2Co(BO3)2, have been obtained from the melt. The crystal structure is composed of two isolated (BO3)3− triangles linked to Co2+ cations. The resulting [CoO5] square pyramids and the borate anions make up branched rows extending parallel to [010]. The barium cations occupy two sites in the voids of this arrangement and exhibit coordination numbers of nine each. A comparison with the structures of other A2M(BO3)2 compounds reveals a unique five-coordination of the small metal M in the title compound instead of four- or six-coordination for the other A2M(BO3)2 compounds with M = Cu, Zn, Mg, Ca, or Cd.
ISSN:2056-9890

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