data_global
_chemical_name_mineral 'Perite'
loop_
_publ_author_name
'Gillberg M'
_journal_name_full 'Arkiv for Mineralogi och Geologi'
_journal_volume 2 
_journal_year 1960
_journal_page_first 565
_journal_page_last 570
_publ_section_title
;
 Perite, a new oxyhalide mineral from Langban, Sweden
;
_database_code_amcsd 0012046
_chemical_compound_source 'Langban, Sweden'
_chemical_formula_sum 'Pb Bi Cl O2'
_cell_length_a 5.627
_cell_length_b 5.575
_cell_length_c 12.425
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 389.779
_exptl_crystal_density_diffrn      8.241
_symmetry_space_group_name_H-M 'B m m b'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,y,1/2+z'
  'x,1/2+y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,1/2-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-x,y,z'
  '1/2-x,y,1/2+z'
  'x,-y,-z'
  '1/2+x,-y,1/2-z'
  'x,1/2-y,z'
  '1/2+x,1/2-y,1/2+z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb   0.00000   0.25000   0.38500
Bi   0.00000   0.25000   0.09000
Cl   0.00000   0.25000   0.75000
O   0.25000   0.00000   0.00000