data_[Y2Er2Pb2N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Pb  2.3300  1.8000  1.1225
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [3.5364]
_cell_length_b [3.5364]
_cell_length_c [15.5172]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [YErPbN]
_chemical_formula_sum '[Y2 Er2 Pb2 N2]'
_cell_volume [168.0582]
_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
[
  Y  Y0  2  0.3333  0.6667  0.4157  1
  Er  Er1  2  0.3333  0.6667  0.0824  1
  Pb  Pb2  2  0.3333  0.6667  0.7521  1
  N  N3  1  0.0000  0.0000  0.0000  1
  N  N4  1  0.0000  0.0000  0.5000  1
]