Crystal structure of Ba 2 Co(BO 3 ) 2

Single crystals of dibarium cobalt(II) bis-(orthoborate), Ba Co(BO ) , have been obtained from the melt. The crystal structure is composed of two isolated (BO ) triangles linked to Co cations. The resulting [CoO ] square pyramids and the borate anions make up branched rows extending parallel to [010...

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Bibliographic Details
Published inActa crystallographica. Section E, Crystallographic communications Vol. 75; no. Pt 3; pp. 388 - 391
Main Authors N'Faoui, Fatima-Ezahra, Aride, Jilali, Boukhari, Ali, Taibi, M'Hamed, Saadi, Mohamed, El Ammari, Lahcen
Format Journal Article
LanguageEnglish
Published England 01.03.2019
Subjects
X-ray diffraction
crystal structure
crystal growth
Ba2Co(BO3)2
diborates
cobalt borate
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Summary:Single crystals of dibarium cobalt(II) bis-(orthoborate), Ba Co(BO ) , have been obtained from the melt. The crystal structure is composed of two isolated (BO ) triangles linked to Co cations. The resulting [CoO ] 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 (BO ) compounds reveals a unique five-coordination of the small metal in the title compound instead of four- or six-coordination for the other (BO ) compounds with = Cu, Zn, Mg, Ca, or Cd.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989019002597