data_[Nd2Er1Pb1C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
  Pb  2.3300  1.8000  1.1225
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.1339]
_cell_length_b [5.1339]
_cell_length_c [4.8723]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Nd2ErPbC]
_chemical_formula_sum '[Nd2 Er1 Pb1 C1]'
_cell_volume [128.4175]
_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
[
  Nd  Nd0  2  0.0000  0.5000  0.0000  1.0
  Er  Er1  1  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  1  0.5000  0.5000  0.5000  1.0
  C  C3  1  0.0000  0.0000  0.0000  1.0
]