At 16:08 06/09/2000, you wrote:
>I am interested in drawings/figures of the structure of alfa-Mn2O3, with
>special concern for the polyhedral coordination of Mn, for both space
>groups Ia3 and Pcab. Do some of you know where to find this???????
You will find 3D VRML drawings of these Bixbyite and other structures on:
http://www.ill.fr/dif/3D-crystals/vrml/ To view these drawings you must
install a VRML plug-in to your browser see:
http://www.ill.fr/dif/3D-crystals/help.html
The references from ICSD (http://barns.ill.fr/dif/icsd/) are:
Geller,S. (1971) Acta Crystallogr.,Sect. 27 821-828
Structures of alpha-(Mn2 O3), (Mn.983 Fe.017)2 O3, (Mn.37 Fe.63)2 O3 and
relation to magnetic ordering
Hase,W. (1963) Acta Crystallographica B (39,1983-) 3 446-449
Neutronographische Bestimmung der Kristallstrukturparameter von Dy2 O3, Tm2
O3 und alpha-Mn2 O3
Regards, Alan H.
Dr Alan W. Hewat, Diffraction Group Leader,
Institut Laue-Langevin Grenoble FRANCE <[EMAIL PROTECTED]> tel (33) 4.76.20.72.13
http://www.ill.fr/dif/AlanHewat.htm fax (33)
4.76.20.76.48 ftp://ftp.ill.fr/pub/dif
