data_global
_chemical_name_mineral 'Potarite'
loop_
_publ_author_name
'Bayliss P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 28 
_journal_year 1990
_journal_page_first 751
_journal_page_last 755
_publ_section_title
;
 Revised unit cell dimensions, space group,
 and chemical formula of some metallic minerals
 Note: cell edges taken from Handbook of Mineralogy
;
_database_code_amcsd 0005246
_chemical_formula_sum 'Hg Pd'
_cell_length_a 3.026
_cell_length_b 3.026
_cell_length_c 3.702
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 33.898
_exptl_crystal_density_diffrn     15.039
_symmetry_space_group_name_H-M 'P 4/m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x,-z'
  '-y,x,z'
  'x,-y,z'
  '-x,y,-z'
  'x,y,-z'
  '-x,-y,z'
  'y,x,z'
  '-y,-x,-z'
  '-y,x,-z'
  'y,-x,z'
  '-x,y,z'
  'x,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Hg   0.00000   0.00000   0.00000
Pd   0.50000   0.50000   0.50000