#------------------------------------------------------------------------------ #$Date: 2015-07-12 17:15:40 +0300 (Sun, 12 Jul 2015) $ #$Revision: 146718 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/52/56/1525687.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_1525687 loop_ _publ_author_name 'Blake, N.P.' 'Stucky, G.D.' 'Latturner, S.' 'Bryan, D.' 'Mollnitz, L.' 'Metiu, H.' _publ_section_title ; Structure and stability of the clathrates Ba8 Ga16 Ge30, Sr8 Ga16 Ge30, Ba8 Ga16 Si30, and Ba8 In16 Sn30 ; _journal_name_full 'Journal of Chemical Physics' _journal_page_first 10063 _journal_page_last 10074 _journal_volume 114 _journal_year 2001 _chemical_formula_sum 'Ga16 Ge30 Sr8' _chemical_name_systematic 'Sr8 Ga16 Ge30' _space_group_IT_number 223 _symmetry_space_group_name_Hall '-P 4n 2 3' _symmetry_space_group_name_H-M 'P m -3 n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 1 _cell_length_a 10.7418 _cell_length_b 10.7418 _cell_length_c 10.7418 _cell_volume 1239.456 _citation_journal_id_ASTM JCPSA6 _cod_data_source_file Blake_JCPSA6_2001_1365.cif _cod_data_source_block Ga16Ge30Sr8 _cod_database_code 1525687 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y+1/2,x+1/2,z+1/2 -x,-y,z y+1/2,-x+1/2,z+1/2 x,-y,-z y+1/2,x+1/2,-z+1/2 -x,y,-z -y+1/2,-x+1/2,-z+1/2 z,x,y -x+1/2,z+1/2,y+1/2 -z,-x,y x+1/2,-z+1/2,y+1/2 z,-x,-y x+1/2,z+1/2,-y+1/2 -z,x,-y -x+1/2,-z+1/2,-y+1/2 y,z,x y,-z,-x z+1/2,y+1/2,-x+1/2 -y,z,-x -z+1/2,-y+1/2,-x+1/2 -y,-z,x z+1/2,-y+1/2,x+1/2 -z+1/2,y+1/2,x+1/2 -x,-y,-z y-1/2,-x-1/2,-z-1/2 x,y,-z -y-1/2,x-1/2,-z-1/2 -x,y,z -y-1/2,-x-1/2,z-1/2 x,-y,z y-1/2,x-1/2,z-1/2 -z,-x,-y x-1/2,-z-1/2,-y-1/2 z,x,-y -x-1/2,z-1/2,-y-1/2 -z,x,y -x-1/2,-z-1/2,y-1/2 z,-x,y x-1/2,z-1/2,y-1/2 -y,-z,-x -y,z,x -z-1/2,-y-1/2,x-1/2 y,-z,x z-1/2,y-1/2,x-1/2 y,z,-x -z-1/2,y-1/2,-x-1/2 z-1/2,-y-1/2,-x-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 Ge2 Ge 0.1841 0.1841 0.1841 0.9375 0.0 Ge1 Ge 0 0.3092 0.1172 0.5 0.0 Ge3 Ge 0.25 0 0.5 0.5 0.0 Ga3 Ga 0.25 0 0.5 0.5 0.0 Ga2 Ga 0.1841 0.1841 0.1841 0.0625 0.0 Sr2 Sr 0.25 0.4765 0.9765 0.25 0.0 Sr1 Sr 0 0 0 1 0.0 Ga1 Ga 0 0.3092 0.1172 0.5 0.0