Hi, Stephen: Structural information of 1, and 2 has been found. You can get them (in cif format, but can be opened by any text reader) via: http://www.physik.uni-augsburg.de/~lujun/temp/Cu2Se.rar
Unfortunately, i did not find 3 had been included in pdf-2. Faithfully Jun Lu ---------- Lst. Prof. Lijie Qiao Department of Materials Physics and Chemistry University of Science and Technology Beijing 100083 Beijing P.R. China http://www.instrument.com.cn/ilog/handsomeland/ Lst. Prof. Loidl and Lunkenheimer Experimental Physics V Center for Electronic Correlations and Magnetism (EKM) University of Augsburg Universitaetsstr. 2 86159 Augsburg Germany http://www.physik.uni-augsburg.de/exp5 ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <Rietveld_L@ill.fr> Sent: Monday, August 18, 2008 10:01 AM Subject: Request of atomic coordinates of Cu2Se > Dear all rietvalders, > > Can anyone of you kindly send me the atomic coordinates? > > 1) Cu2Se cubic form (PDF-2 71-0044 a = 5.7650, Fm-3m) > 2) Cu2Se cubic form (PDF-2 76-0136 a = 5.84, F23) > 3) Cu2Se tetragonal form (PDF-2 53-0523 a = 11.510, c = 11.740, P4/mmm > or P42/n) > > many thanks > > stephen > > >