data_global
_chemical_name_mineral 'Laurionite'
loop_
_publ_author_name
'Brasseur H'
_journal_name_full 'Bulletin de la Societe Royal des Sciences de Liege'
_journal_volume 9 
_journal_year 1940
_journal_page_first 166
_journal_page_last 169
_publ_section_title
;
 Etude roentgenographique de la laurionite Pb Cl (O H)
 _cod_database_code 1011083
;
_database_code_amcsd 0017980
_chemical_formula_sum 'Pb Cl O'
_cell_length_a 7.1
_cell_length_b 9.7
_cell_length_c 4.05
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 278.924
_exptl_crystal_density_diffrn      6.159
_symmetry_space_group_name_H-M 'P n a m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,1/2-y,z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb1   0.20400   0.08800   0.25000
Cl1   0.46900  -0.18500   0.25000
O1  -0.16900   0.12500   0.25000