data_Cr2AgPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.05
_cell_length_b   3.02
_cell_length_c   7.73
_cell_angle_alpha   90.0
_cell_angle_beta   91.81
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr2AgPb
_chemical_formula_sum   'Cr2 Ag1 Pb1'
_cell_volume   71.23
_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
  Cr  Cr1  1  0.71  0.51  0.35  1.0
  Cr  Cr2  1  0.46  0.0  0.32  1.0
  Ag  Ag0  1  0.5  0.0  0.53  1.0
  Pb  Pb3  1  0.88  0.51  0.1  1.0

data_Cr2AgPb
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.05
_cell_length_b   3.02
_cell_length_c   7.73
_cell_angle_alpha   90.0
_cell_angle_beta   91.81
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Cr2AgPb
_chemical_formula_sum   'Cr2 Ag1 Pb1'
_cell_volume   71.23
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  Cr  Cr0  1  0.46  0.0  0.32  1.0
  Cr  Cr1  1  0.71  0.5  0.35  1.0
  Ag  Ag2  1  0.5  0.0  0.53  1.0
  Pb  Pb3  1  0.88  0.5  0.1  1.0

Cr Cr Ag Pb
Cr Cr Ag Pb 0 1 o o o 0 1 o + o 0 3 o o o 1 2 o o o 