#------------------------------------------------------------------------------ #$Date: 2013-04-29 23:48:15 +0300 (Mon, 29 Apr 2013) $ #$Revision: 82693 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/50/96/1509698.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_1509698 loop_ _publ_author_name 'Johrendt, D.' 'Tampier, M.' _publ_section_title ; Neue azentrische Selenogermanate. I. Kristallstrukturen und chemische Bindung von A M2 Ge Se4 (A=Sr, Ba; M=Cu, Ag) ; _journal_name_full 'Zeitschrift fuer Anorganische und Allgemeine Chemie' _journal_page_first 312 _journal_page_last 320 _journal_volume 627 _journal_year 2001 _chemical_formula_sum 'Ag2 Ba Ge Se4' _chemical_name_systematic 'Ba Ag2 (Ge Se4)' _space_group_IT_number 23 _symmetry_space_group_name_Hall 'I 2 2' _symmetry_space_group_name_H-M 'I 2 2 2' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 7.058 _cell_length_b 7.263 _cell_length_c 8.253 _cell_volume 423.067 _citation_journal_id_ASTM ZAACAB _[local]_cod_data_source_file silver2-3_16.cif _[local]_cod_data_source_block Ag2Ba1Ge1Se4 _[local]_cod_chemical_formula_sum_orig 'Ag2 Ba1 Ge1 Se4' _cod_original_cell_volume 423.0674 _cod_database_code 1509698 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z x,-y,-z -x,y,-z x+1/2,y+1/2,z+1/2 -x+1/2,-y+1/2,z+1/2 x+1/2,-y+1/2,-z+1/2 -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 Ge1 Ge+4 0 0 0.5 1 0.0 Ba1 Ba+2 0 0 0 1 0.0 Ag1 Ag+1 0 0.5 0.2092 1 0.0 Se1 Se-2 0.193 0.191 0.66025 1 0.0