At 19:50 18/11/1999 +0100, you wrote:
>Did someone know the structure for one of these phases.
>I didn't find them on the ICSD ....
BaSiF6 is on ICSD-for-WWW at least. I couldn't draw the Svensson structure
(low temperature data), but the Hoskins ambient structure looks OK. If you
are looking at these materials, please measure at low temperatures (5K) -
there may be a phase transition.
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Svensson,G. Albertsson,J. Svensson,C. Elding,LI. (1986) Acta
Chem.Scand.Ser.A 40 631-633
Crystal structure of BaSiF6 at 180K
Hoskins,BF. Linden,A. Mulvaney,PC. O'Donnell,TA. (1984) Inorg.Chim.Acta 88
217-222
The structures of barium hexafluorosilicate and cesium hexafluororhenate(V)
Babel,D. (1967) Journal of Inorganic and Nuclear Chemistry 3 1-87
Structural chemistry of octahedral fluorocomplexes of the transition elements
Hoard,JL. Vincent,WB. (1940) J.Am.Chem.Soc. 62 3126-3129
Structures of Complex Fluorides. Barium Fluorosilicate and Barium
Fluorogermanate
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Alan Hewat, ILL Grenoble, FRANCE <[EMAIL PROTECTED]> tel (33) 4.76.20.72.13
ftp://ftp.ill.fr/pub/dif fax (33) 4.76.20.76.48 http://www.ill.fr/dif/
