#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/1/01/05/1010581.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_1010581 loop_ _publ_author_name 'Rahlfs, P' _publ_section_title ; Ueber die kubischen Hochtemperaturmodifikationen der Sulfide und Telluride des Silbers und des einwertigen Kupfers ; _journal_coden_ASTM ZPCBAL _journal_name_full ; Zeitschrift fuer Physikalische Chemie, Abteilung B: Chemie der Elementarprozesse, Aufbau der Materie ; _journal_page_first 157 _journal_page_last 194 _journal_volume 31 _journal_year 1936 _chemical_formula_structural 'Cu2 Se' _chemical_formula_sum 'Cu2 Se' _chemical_name_systematic 'Copper(I) selenide - $-alpha' _space_group_IT_number 196 _symmetry_cell_setting cubic _symmetry_Int_Tables_number 196 _symmetry_space_group_name_Hall 'F 2 2 3' _symmetry_space_group_name_H-M 'F 2 3' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.840(6) _cell_length_b 5.840(6) _cell_length_c 5.840(6) _cell_volume 199.2 _exptl_crystal_density_meas 6.84 _cod_database_code 1010581 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,z,x z,x,y x,-y,-z y,-z,-x z,-x,-y -x,y,-z -y,z,-x -z,x,-y -x,-y,z -y,-z,x -z,-x,y x,1/2+y,1/2+z 1/2+x,y,1/2+z 1/2+x,1/2+y,z y,1/2+z,1/2+x 1/2+y,z,1/2+x 1/2+y,1/2+z,x z,1/2+x,1/2+y 1/2+z,x,1/2+y 1/2+z,1/2+x,y x,1/2-y,1/2-z 1/2+x,-y,1/2-z 1/2+x,1/2-y,-z y,1/2-z,1/2-x 1/2+y,-z,1/2-x 1/2+y,1/2-z,-x z,1/2-x,1/2-y 1/2+z,-x,1/2-y 1/2+z,1/2-x,-y -x,1/2+y,1/2-z 1/2-x,y,1/2-z 1/2-x,1/2+y,-z -y,1/2+z,1/2-x 1/2-y,z,1/2-x 1/2-y,1/2+z,-x -z,1/2+x,1/2-y 1/2-z,x,1/2-y 1/2-z,1/2+x,-y -x,1/2-y,1/2+z 1/2-x,-y,1/2+z 1/2-x,1/2-y,z -y,1/2-z,1/2+x 1/2-y,-z,1/2+x 1/2-y,1/2-z,x -z,1/2-x,1/2+y 1/2-z,-x,1/2+y 1/2-z,1/2-x,y loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Se1 Se2- 4 a 0. 0. 0. 1. 0 d Cu1 Cu1+ 4 c 0.25 0.25 0.25 1. 0 d Cu2 Cu1+ 4 b 0.5 0.5 0.5 0.25 0 d Cu3 Cu1+ 16 e 0.3333 0.3333 0.3333 0.0938 0 d Cu4 Cu1+ 16 e 0.6667 0.6667 0.6667 0.0938 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Se2- -2.000 Cu1+ 1.000