#------------------------------------------------------------------------------ #$Date: 2016-02-14 06:40:26 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176432 $ #$URL: file:///home/coder/svn-repositories/cod/cif/4/33/13/4331388.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_4331388 loop_ _publ_author_name 'Wachhold, M.' 'Kanatzidis, M.G.' _publ_section_title ; Condensation of pyramidal [As Se3](3-) anions for the construction of polymeric networks: solventothermal synthesis of K3 Ag As2 Se5 .0.25(Me O H), K2 Ag As3 Se6 and Rb2 Ag As3 Se6 ; _journal_name_full 'Inorganic Chemistry' _journal_page_first 3863 _journal_page_last 3870 _journal_paper_doi 10.1021/ic990274r _journal_volume 38 _journal_year 1999 _chemical_formula_sum 'Ag As3 K2 Se6' _chemical_name_systematic 'K2 (Ag As3 Se6)' _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 96.625 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 12.5994 _cell_length_b 7.498 _cell_length_c 14.2648 _cell_volume 1338.601 _citation_journal_id_ASTM INOCAJ _cod_data_source_file silver1-2_43.cif _cod_data_source_block Ag1As3K2Se6 _cod_original_sg_symbol_Hall '-P 2ybc (x-z,y,z)' _cod_original_formula_sum 'Ag1 As3 K2 Se6' _cod_database_code 4331388 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,y+1/2,-z+1/2 -x,-y,-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 Se4 Se-2 0.0774 0.8126 0.7296 1 0.0 Ag1 Ag+1 0.1032 -0.0063 0.5734 1 0.0 Se1 Se-2 0.7053 0.243 0.6638 1 0.0 As3 As+3 0.118 0.3325 0.0071 1 0.0 As1 As+3 0.8736 0.0897 0.6582 1 0.0 K2 K+1 0.167 0.3685 0.3868 1 0.0 Se3 Se-2 -0.0705 0.2097 0.8137 1 0.0 As2 As+3 0.035 -0.0562 0.8696 1 0.0 Se6 Se-2 0.2952 0.086 0.5396 1 0.0 K1 K+1 0.3462 0.8875 0.761 1 0.0 Se5 Se-2 0.2014 0.0989 0.9199 1 0.0 Se2 Se-2 0.0351 0.7282 0.4431 1 0.0