data_ErCuPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.6
_cell_length_b   4.6
_cell_length_c   7.33
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ErCuPb
_chemical_formula_sum   'Er2 Cu2 Pb2'
_cell_volume   134.53
_cell_formula_units_Z   2
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
  Er  Er0  1  0.0  0.0  0.03  1.0
  Er  Er1  1  0.0  0.0  0.69  1.0
  Cu  Cu2  1  0.3  0.33  0.45  1.0
  Cu  Cu3  1  0.0  0.66  0.11  1.0
  Pb  Pb4  1  0.0  0.66  0.72  1.0
  Pb  Pb5  1  0.3  0.33  0.38  1.0

data_ErCuPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.6
_cell_length_b   4.6
_cell_length_c   7.33
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ErCuPb
_chemical_formula_sum   'Er2 Cu2 Pb2'
_cell_volume   134.53
_cell_formula_units_Z   2
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
  Er  Er0  1  0.0  0.0  0.03  1.0
  Er  Er1  1  0.0  0.0  0.69  1.0
  Cu  Cu2  1  0.0  0.66  0.11  1.0
  Cu  Cu3  1  0.3  0.33  0.45  1.0
  Pb  Pb4  1  0.0  0.66  0.72  1.0
  Pb  Pb5  1  0.3  0.33  0.38  1.0

Er Er Cu Cu Pb Pb