data_HgOsPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.3
_cell_length_b   5.3
_cell_length_c   5.3
_cell_angle_alpha   127.4
_cell_angle_beta   127.4
_cell_angle_gamma   77.6
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HgOsPb2
_chemical_formula_sum   'Hg1 Os1 Pb2'
_cell_volume   91.21
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Hg  Hg0  1  0.0  0.0  0.13  1.0
  Os  Os1  1  0.0  0.0  0.0  1.0
  Pb  Pb2  1  0.35  0.0  0.07  1.0
  Pb  Pb3  1  0.0  0.35  0.07  1.0

data_HgOsPb2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.64
_cell_length_b   6.64
_cell_length_c   5.3
_cell_angle_alpha   90.0
_cell_angle_beta   128.8
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   HgOsPb2
_chemical_formula_sum   'Hg2 Os2 Pb4'
_cell_volume   182.42
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Hg  Hg0  2  0.0  0.0  0.13  1.0
  Os  Os1  2  0.0  0.0  0.0  1.0
  Pb  Pb2  4  0.33  0.33  0.72  1.0

Hg Os Pb Pb