data_global _amcsd_formula_title 'O9 Rb2 Si3 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 1001114 ; _database_code_amcsd 0013320 _chemical_formula_sum 'Rb2 Sn Si3 O9' _cell_length_a 6.943 _cell_length_b 6.943 _cell_length_c 10.04 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 419.140 _exptl_crystal_density_diffrn 4.104 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Rb1 0.33333 0.66660 0.06190 Sn1 0.00000 0.00000 0.00000 Si1 0.38740 0.24710 0.25000 O1 0.50610 0.09750 0.25000 O2 0.25250 0.22460 0.11980