> would anyone of you kindly provide me the atomic coordinates of Cu2Se > (Berzelianite, Powder Diffraction File PDF-2 071-0044, Cubic Fm3m)?
There are 6 references to Berzelianite in ICSD http://icsdweb.fiz-karlsruhe.de/ and 5 in AMS http://rruff.geo.arizona.edu/AMS/ eg Yamamoto, K.;Kashida, S. "X-ray study of the average structure of Cu2Se and of Cu1.8S in the room temperature and high temperature phases" (1991) Journal of Solid State Chemistry 93, 202-211 Sakuma, T.;Sugiyama, K.;Matsubara, E.;Waseda, Y. "Determination of the crystal structure of superionic phase of Cu2Se" (1989) Materials Transactions, JIM 30, 365-369 Oliveria, M.;McMullan, R.K.;Wuensch, B.J. "Single crystal neutron diffraction analysis of the cation distribution in the high-temperature phases alpha-Cu2-xS, alpha-Cu2-xSe and alpha-Ag2Se" (1988) Solid State Ionics 28, 1332-1337 _____________________________________________________________ Dr Alan Hewat, ILL Grenoble, FRANCE <[EMAIL PROTECTED]>fax+33.476.20.76.48 +33.476.20.72.13 (.26 Mme Guillermet) http://www.ill.fr/dif/people/hewat/ _____________________________________________________________
