#------------------------------------------------------------------------------ #$Date: 2016-02-13 19:28:24 +0000 (Sat, 13 Feb 2016) $ #$Revision: 176429 $ #$URL: svn://www.crystallography.net/cod/cif/1/53/26/1532689.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_1532689 loop_ _publ_author_name 'Delgado, G.E.' 'Mora, A.J.' 'Marcano, G.' 'Rincon, C.' _publ_section_title ; Crystal structure refinement of the semiconducting compound Cu2 Sn Se3 from X-ray powder diffraction data ; _journal_name_full 'Materials Research Bulletin' _journal_page_first 1949 _journal_page_last 1955 _journal_volume 38 _journal_year 2003 _chemical_formula_sum 'Cu2 Se3 Sn' _chemical_name_systematic 'Cu2 (Sn Se3)' _space_group_IT_number 9 _symmetry_space_group_name_Hall 'C -2yc' _symmetry_space_group_name_H-M 'C 1 c 1' _cell_angle_alpha 90 _cell_angle_beta 109.19 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.967 _cell_length_b 12.0493 _cell_length_c 6.9453 _cell_volume 550.643 _citation_journal_id_ASTM MRBUAC _cod_data_source_file Delgado_MRBUAC_2003_539.cif _cod_data_source_block Cu2Se3Sn1 _cod_original_formula_sum 'Cu2 Se3 Sn1' _cod_database_code 1532689 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,z+1/2 x+1/2,y+1/2,z x+1/2,-y+1/2,z+1/2 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Se3 Se-2 0.503 0.259 -0.014 1 0.0 Sn1 Sn+4 0.363 0.091 0.107 1 0.0 Se2 Se-2 -0.026 0.078 -0.015 1 0.0 Cu2 Cu+1 0.37 0.418 0.116 1 0.0 Cu1 Cu+1 0.371 0.257 0.616 1 0.0 Se1 Se-2 0 0.409 0 1 0.0