#------------------------------------------------------------------------------ #$Date: 2009-11-18 14:56:34 +0000 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: svn://www.crystallography.net/cod/cif/9/9009759.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9009759 loop_ _publ_author_name 'Eriksson L' 'Werner P E' 'Berger R' 'Meerschaut A' _publ_section_title ; Structure refinement of TlCu7Se4 from X-ray powder profile data Locality: Skrikerum mine, Sweden Sample: Single crystal ; _journal_name_full 'Journal of Solid State Chemistry' _journal_page_first 61 _journal_page_last 68 _journal_volume 90 _journal_year 1991 _chemical_formula_sum 'Cu6.52 Se4 Tl' _[local]_cod_chemical_formula_sum_orig 'Tl Cu6.52 Se4' _chemical_name_mineral Crookesite _symmetry_space_group_name_H-M 'I 4/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 10.4445 _cell_length_b 10.4445 _cell_length_c 3.9378 _cell_volume 429.565 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,1/2+z y,-x,-z 1/2+y,1/2-x,1/2-z -y,x,z 1/2-y,1/2+x,1/2+z x,y,-z 1/2+x,1/2+y,1/2-z -x,-y,z 1/2-x,1/2-y,1/2+z -y,x,-z 1/2-y,1/2+x,1/2-z y,-x,z 1/2+y,1/2-x,1/2+z -x,-y,-z 1/2-x,1/2-y,1/2-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Tl 0.00000 0.00000 0.00000 1.00000 0.04939 Cu1 0.02080 0.36800 0.00000 1.00000 0.04306 Cu2 0.32400 0.22000 0.00000 0.63000 0.04559 Se 0.24360 0.43090 0.00000 1.00000 0.03800