data_global _chemical_name_mineral 'Kaolinite' loop_ _publ_author_name 'Gruner W' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 83 _journal_year 1932 _journal_page_first 75 _journal_page_last 88 _publ_section_title ; The crystal structure of kaolinite _cod_database_code 1011045 ; _database_code_amcsd 0017947 _chemical_formula_sum 'Al2 Si2 O9' _cell_length_a 5.148 _cell_length_b 8.92 _cell_length_c 14.535 _cell_angle_alpha 90 _cell_angle_beta 100.2 _cell_angle_gamma 90 _cell_volume 656.901 _exptl_crystal_density_diffrn 2.570 _symmetry_space_group_name_H-M 'C 1 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' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Al1 0.25000 -0.16700 0.00000 Al2 0.25000 0.16700 0.00000 Si1 0.00800 0.50000 0.18800 Si2 0.00800 0.16700 0.18800 O1 -0.04600 0.50000 0.07600 O2 -0.04600 0.16700 0.07600 O3 -0.04600 -0.16700 0.07600 O4 0.03300 0.33300 0.22900 O5 0.28300 -0.41700 0.22900 O6 0.28300 0.08300 0.22900 O7 0.04600 0.00000 0.42400 O8 -0.45400 0.16700 0.42400 O9 0.04600 0.33300 0.42400