data_global _chemical_name_mineral 'Stenonite' loop_ _publ_author_name 'Hawthorne F C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 22 _journal_year 1984 _journal_page_first 245 _journal_page_last 251 _publ_section_title ; The crystal structure of stenonite and the classification of the aluminofluoride minerals ; _database_code_amcsd 0005196 _chemical_formula_sum 'Sr2 Al C F5 O3' _cell_length_a 5.450 _cell_length_b 8.704 _cell_length_c 13.150 _cell_angle_alpha 90 _cell_angle_beta 98.72 _cell_angle_gamma 90 _cell_volume 616.583 _exptl_crystal_density_diffrn 3.848 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Sr1 0.21630 0.35970 0.91040 Sr2 0.20840 -0.11080 0.90140 Al 0.86660 0.12710 0.66890 C 0.31360 0.87740 0.13800 F1 0.19980 0.22450 0.09050 F2 0.17540 0.50470 0.08730 F3 0.56340 0.22800 0.23490 F4 0.55240 0.52650 0.22640 F5 0.58270 0.37070 0.06980 O1 0.49790 0.87730 0.08770 O2 0.09190 0.87590 0.09020 O3 0.35760 0.86950 0.23560 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 Sr1 0.02293 0.01689 0.01969 0.00024 0.00319 -0.00115 Sr2 0.02323 0.02111 0.02054 0.00143 0.00355 -0.00057 Al 0.02485 0.01650 0.01883 0.00024 0.00284 0.00287 C 0.03323 0.01305 0.02482 0.01116 0.00213 -0.00344 F1 0.03602 0.02763 0.01883 -0.01259 0.00426 -0.00688 F2 0.03720 0.04337 0.01797 0.01306 0.01029 0.00172 F3 0.03087 0.02303 0.02054 0.01116 0.00426 0.00229 F4 0.03470 0.02418 0.02482 -0.01259 0.00461 -0.00229 F5 0.03131 0.01075 0.02482 0.00404 0.01100 -0.00401 O1 0.02543 0.02456 0.02739 -0.00855 0.00922 0.00172 O2 0.02132 0.02341 0.02311 -0.00546 0.00213 0.00401 O3 0.01970 0.04030 0.03252 0.00499 0.00851 0.00057