data_global _amcsd_formula_title 'RbGa(SO4)2*12H2O' loop_ _publ_author_name 'Nyburg S C' 'Steed J' 'Aleksovska S' 'Petrusevski V M' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 56 _journal_year 2000 _journal_page_first 204 _journal_page_last 209 _publ_section_title ; Structure of the alums. I. On the sulfate group disorder in the alpha-alums Sample: T = 296 K ; _database_code_amcsd 0009918 _chemical_formula_sum 'Rb Ga S2 O20 H24' _cell_length_a 12.2679 _cell_length_b 12.2679 _cell_length_c 12.2679 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1846.336 _exptl_crystal_density_diffrn 2.027 _symmetry_space_group_name_H-M 'P a 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+z,x,1/2-y' 'z,1/2-x,1/2+y' '1/2-z,1/2+x,y' '-z,-x,-y' '1/2+y,1/2-z,-x' '1/2-y,-z,1/2+x' '-y,1/2+z,1/2-x' 'y,z,x' 'x,1/2-y,1/2+z' '1/2-x,1/2+y,z' '1/2+x,y,1/2-z' '-x,-y,-z' '1/2-z,-x,1/2+y' '-z,1/2+x,1/2-y' '1/2+z,1/2-x,-y' 'z,x,y' '1/2-y,1/2+z,x' '1/2+y,z,1/2-x' 'y,1/2-z,1/2+x' '-y,-z,-x' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Rb 0.50000 0.50000 0.50000 1.00000 0.05140 Ga 0.00000 0.00000 0.00000 1.00000 0.02530 S 0.31299 0.31299 0.31299 1.00000 0.03050 O3 0.24530 0.24530 0.24530 0.89200 0.03490 O3A 0.38000 0.38000 0.38000 0.10800 0.06800 O4 0.27010 0.42450 0.31780 0.89200 0.06600 O4A 0.29200 0.21100 0.36900 0.10800 0.18000 O1 0.15770 0.01070 -0.01250 1.00000 0.04510 O2 0.04790 0.14250 0.29880 1.00000 0.05070 H11 0.18100 0.02900 -0.06100 1.00000 0.06200 H12 0.20300 0.02500 0.04800 1.00000 0.05900 H21 0.10200 0.16500 0.29900 1.00000 0.09000 H22 0.01300 0.19100 0.28500 1.00000 0.07200 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Rb 0.05140 0.05140 0.05140 0.01080 0.01080 0.01080 Ga 0.02530 0.02530 0.02530 -0.00040 -0.00040 -0.00040 S 0.03050 0.03050 0.03050 0.00370 0.00370 0.00370 O3 0.02860 0.04450 0.03170 -0.00350 0.00080 0.00300 O3A 0.05700 0.03800 0.11000 0.01400 0.06000 0.04000 O4 0.06600 0.06600 0.06600 -0.01490 -0.01490 -0.01490 O4A 0.18000 0.18000 0.18000 -0.07000 -0.07000 -0.07000 O1 0.04860 0.04020 0.04650 0.00250 -0.00530 -0.00410 O2 0.06400 0.04220 0.04580 0.02130 0.01850 0.00880