data_global _chemical_name_mineral 'Wickmanite' loop_ _publ_author_name 'Christensen A N' 'Hazell R G' _journal_name_full 'Acta Chemica Scandinavica' _journal_volume 23 _journal_year 1969 _journal_page_first 1219 _journal_page_last 1224 _publ_section_title ; Hydrothermal preparation of hydroxy stannates. The crystal structure of MnSn(OH)6 ; _database_code_amcsd 0020384 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Mn Sn (O6 H6)' _cell_length_a 7.885 _cell_length_b 7.885 _cell_length_c 7.885 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 490.236 _exptl_crystal_density_diffrn 3.735 _symmetry_space_group_name_H-M 'P n 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+z,1/2+x,-y' '1/2+z,-x,1/2+y' '-z,1/2+x,1/2+y' '-z,-x,-y' 'y,1/2-z,1/2-x' '1/2-y,1/2-z,x' '1/2-y,z,1/2-x' 'y,z,x' '1/2+x,-y,1/2+z' '-x,1/2+y,1/2+z' '1/2+x,1/2+y,-z' '-x,-y,-z' '1/2-z,1/2-x,y' '1/2-z,x,1/2-y' 'z,1/2-x,1/2-y' 'z,x,y' '-y,1/2+z,1/2+x' '1/2+y,1/2+z,-x' '1/2+y,-z,1/2+x' '-y,-z,-x' '1/2-x,y,1/2-z' 'x,1/2-y,1/2-z' '1/2-x,1/2-y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mn 0.00000 0.00000 0.00000 0.01077 Sn 0.50000 0.50000 0.50000 0.00621 O-H 0.08100 0.93000 0.25500 0.02014