✦ LIBER ✦

Cd3B7O13(OH) a new synthetic hydroxy boracite

✍ Scribed by Glinnemann, Jürgen; Werthmann, U.; Gies, Hermann; Hahn, Th.

Book ID: 117993974
Publisher: Oldenbourg Wissenschaftsverlag
Year: 2000
Tongue: English
Weight: 155 KB
Volume: 215
Category: Article
ISSN: 2194-4946
DOI: 10.1524/zkri.2000.215.7.393

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✦ Synopsis

A new member of the boracite-family of compounds M~3~B~7~O~13~X was synthesized under hydrothermal conditions. This cadmium hydroxy boracite, Cd~3~B~7~O~13~(OH), crystallizes in the trigonal crystal system (space group R3c, No. 161; a = 8.8109(1) Å, c = 21.4572(4) Å) and is isotypic to the iron-rich boracite congolite, (Fe,Mg)~3~B~7~O~13~Cl. The crystal structure has been refined by Rietveld analysis of X-ray powder diffraction data. The boracite structure consists of a three-dimensional framework of vertex-linked BO~4~-tetrahedra and BO~3~-triangles, the large interstices of which contain the five-coordinated cation M and the anion X.

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Cd3B7O13(OH)  a new synthetic hydroxy boracite

✦ Synopsis

Cd3B7O13(OH) a new synthetic hydroxy boracite