data_global
_chemical_name_mineral 'Laurionite'
loop_
_publ_author_name
'Venetopoulos C C'
'Rentzeperis P J'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 141 
_journal_year 1975
_journal_page_first 246
_journal_page_last 259
_publ_section_title
;
 The crystal structure of laurionite, Pb(OH)Cl
;
_database_code_amcsd 0010776
_chemical_formula_sum 'Pb O H Cl'
_cell_length_a 9.6987
_cell_length_b 4.0203
_cell_length_c 7.1110
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 277.270
_exptl_crystal_density_diffrn      6.220
_symmetry_space_group_name_H-M 'P c m n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  '1/2-x,y,1/2+z'
  '1/2+x,-y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Pb   0.08770   0.25000   0.79736   0.01672
O   0.04220   0.25000   0.12230   0.01469
H   0.11000   0.25000   0.22300   0.03800
Cl   0.82020   0.25000   0.55640   0.01520
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
Pb 0.02287 0.00917 0.01768 0.00000 0.00943 0.00000
O 0.01191 0.00041 0.03100 0.00000 0.00210 0.00000
Cl 0.01763 0.01097 0.01537 0.00000 0.00105 0.00000