data_global _chemical_name_mineral 'Magnesiohogbomite-6N6S' loop_ _publ_author_name 'Hejny C' 'Armbruster T' _journal_name_full 'American Mineralogist' _journal_volume 87 _journal_year 2002 _journal_page_first 277 _journal_page_last 292 _publ_section_title ; Polysomatism in hogbomite: The crystal structures of 10T, 12H, 14T, and 24R polysomes Sample: 24R ; _database_code_amcsd 0002753 _chemical_formula_sum 'Al7 Ti.78 Fe.72 Mg2.5 O16 H' _cell_length_a 5.7145 _cell_length_b 5.7145 _cell_length_c 55.056 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1557.011 _exptl_crystal_density_diffrn 3.738 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' 'y,x,-z' '2/3+y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-x,-x+y,-z' '2/3-x,1/3-x+y,1/3-z' '1/3-x,2/3-x+y,2/3-z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' 'x-y,-y,-z' '2/3+x-y,1/3-y,1/3-z' '1/3+x-y,2/3-y,2/3-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-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 Al1 0.00000 0.50000 0.00000 1.00000 0.00700 Ti2 0.66667 0.33333 0.04763 0.78000 0.00430 Fe2 0.66667 0.33333 0.04763 0.17000 0.00430 Mg2 0.66667 0.33333 0.04763 0.05000 0.00430 Mg3 0.00000 0.00000 0.03051 0.83000 0.00510 Fe3 0.00000 0.00000 0.03051 0.17000 0.00510 Al4 0.16818 0.33640 0.08176 1.00000 0.00490 Al5 0.00000 0.00000 0.12479 1.00000 0.00490 Mg6 0.33333 -0.33333 0.13483 0.83000 0.00510 Fe6 0.33333 -0.33333 0.13483 0.17000 0.00510 Mg7 -0.33333 0.33333 0.11271 0.79000 0.00510 Fe7 -0.33333 0.33333 0.11271 0.21000 0.00510 Al8 -0.16667 0.16667 0.16667 1.00000 0.00490 O1 0.82270 0.17730 0.02020 1.00000 0.01080 O2 0.33333 0.66667 0.01818 1.00000 0.00840 O3 0.49950 0.50050 0.06376 1.00000 0.00890 O4 0.00000 0.00000 0.06397 1.00000 0.00880 O5 -0.14870 0.14870 0.10311 1.00000 0.00920 O6 0.33333 0.66667 0.09942 1.00000 0.00710 O7 0.14830 -0.70340 0.14714 1.00000 0.00610 O8 -0.33333 0.33333 0.14788 1.00000 0.00700 H 0.33333 0.66667 0.03350 1.00000 0.05000