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Low temperature crystal growth and structure of ordered Ba7F12Cl2

Publication date1999
Abstract

Crystals of composition Ba[7]F[12]Cl[2] were obtained by areaction at room temperature between Ba[2+]/Cl[-]/F[-]in a gel of agar-agar/water. The hexagonal crystals have space group P6, a=1064.69(8), c=417.89(5)pm, V=410.24(8) 10[6] pm[3] and Z=l. The anions form a propeller type network located in tunnels parallel to the c[hex] axis; the chloride ions are located at the center on the propeller axes. The Ba[2+] ions are coordinated by a (distorted) tricapped trigonal environment of fluoride and chloride anions. Disorder is present for one particular Ba[2], site. The average structure is isotypic with the structure of Pb[7]F[12]Cl[2].

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Citation (ISO format)
KUBEL, Frank, BILL, Hans, HAGEMANN, Hans-Rudolf. Low temperature crystal growth and structure of ordered Ba7F12Cl2. In: Zeitschrift für Naturforschung. B, A journal of chemical sciences, 1999, vol. 54b, p. 515–518.
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Article (Published version)
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  • PID : unige:3709
ISSN of the journal0932-0776
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