data_global _amcsd_formula_title 'F4 H2 Mn O Rb' loop_ _publ_author_name 'Palacio F' 'Andres M' 'Rodriguez-Carvajal J' 'Pannetier J' _journal_name_full 'Journal of Physics: Condensed Matter' _journal_volume 3 _journal_year 1991 _journal_page_first 2379 _journal_page_last 2390 _publ_section_title ; Magnetic structures of the MnIII weak ferromagnets AMnF4.H2O (A=Rb and K) _cod_database_code 1006041 ; _database_code_amcsd 0013262 _chemical_formula_sum 'Rb Mn F4 O H2' _cell_length_a 13.8323 _cell_length_b 6.4285 _cell_length_c 10.4837 _cell_angle_alpha 90 _cell_angle_beta 103.980 _cell_angle_gamma 90 _cell_volume 904.608 _exptl_crystal_density_diffrn 3.442 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Rb1 0.07900 0.74520 0.43880 Mn1 0.25000 0.25000 0.50000 Mn2 0.00000 0.24560 0.25000 F1 0.10510 0.25100 0.43440 F2 0.24940 -0.02630 0.45840 F3 0.07070 0.04410 0.18740 F4 0.07150 0.44980 0.18830 O1 0.26470 0.33110 0.30860 H1 0.20970 0.39350 0.25080 H2 0.31990 0.41310 0.30700