Re: Looking for Structure of CrBi18O30

[Alan Hewat, ILL Grenoble]

>I am looking for the structure of CrBi18O30(tetragonal, a=7.748, c=5.728). 

I guess this might be written 9(Bi2O3).CrO3

Don't know this particular one, but look at 7(Bi2O3).(WO3)2  (tet I41/a)
Watanabe et al (1985) J Sol. State Chem 60,252.

Alan H.

Alan Hewat, ILL Grenoble, FRANCE <[EMAIL PROTECTED]> tel (33) 4.76.20.72.13 
ftp://ftp.ill.fr/pub/dif  fax (33) 4.76.48.39.06  http://www.ill.fr/dif/