data_global _amcsd_formula_title 'Ge3 O9 Rb2 Sn' loop_ _publ_author_name 'Choisnet J' 'Deschanvres A' 'Raveau B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 7 _journal_year 1973 _journal_page_first 408 _journal_page_last 417 _publ_section_title ; Evolution structural de nouveaux germanates et silicates de type Wadeite et de structure apparentee _cod_database_code 1001121 ; _database_code_amcsd 0013327 _chemical_formula_sum 'Rb2 Sn Ge3 O9' _cell_length_a 12.305 _cell_length_b 12.305 _cell_length_c 10.205 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1338.156 _exptl_crystal_density_diffrn 4.851 _symmetry_space_group_name_H-M 'P -3 c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,1/2+z' 'y,-x+y,-z' '-x,-x+y,1/2-z' '-x+y,-x,z' '-x+y,y,1/2+z' '-x,-y,-z' 'y,x,1/2-z' '-y,x-y,z' 'x,x-y,1/2+z' 'x-y,x,-z' 'x-y,-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Rb1 -0.00100 0.33830 0.42570 Sn1 0.00000 0.00000 0.00000 Sn2 0.33333 0.66667 0.46990 Ge1 0.00000 0.18660 0.25000 Ge2 0.66080 0.51580 0.78560 O1 0.00000 0.45290 0.25000 O2 0.78240 0.66920 0.84250 O3 0.80460 0.91230 0.89780 O4 0.73690 0.47800 0.65180 O5 0.64050 0.43610 0.93920