data_global
_chemical_name_mineral 'Kaolinite'
loop_
_publ_author_name
'Bish D L'
'Von Dreele R B'
_journal_name_full 'Clays and Clay Minerals'
_journal_volume 37 
_journal_year 1989
_journal_page_first 289
_journal_page_last 296
_publ_section_title
;
 Rietveld refinement of non-hydrogen atomic positions in kaolinite
 Note: clay
;
_database_code_amcsd 0012232
_chemical_compound_source 'Keokuk, Iowa, USA'
_chemical_formula_sum 'Al2 Si2 O9 H4'
_cell_length_a 5.1554
_cell_length_b 8.9448
_cell_length_c 7.4048
_cell_angle_alpha 91.700
_cell_angle_beta 104.862
_cell_angle_gamma 89.822
_cell_volume 329.893
_exptl_crystal_density_diffrn      2.599
_symmetry_space_group_name_H-M 'C 1'
loop_
_space_group_symop_operation_xyz
  '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
Al1   0.29710   0.49570   0.47210
Al2   0.79260   0.33000   0.46990
Si1   0.99420   0.33930   0.09090
Si2   0.50640   0.16650   0.09130
O1   0.05010   0.35390   0.31700
O2   0.12140   0.66040   0.31750
O3   0.00000   0.50000   0.00000
O4   0.20850   0.23050   0.02470
O5   0.20120   0.76570   0.00320
O-H1   0.05100   0.96980   0.32200
O-H2   0.96490   0.16650   0.60510
O-H3   0.03480   0.47690   0.60800
O-H4   0.03340   0.85700   0.60940