data_[Tb2Er14Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [9.1068]
_cell_length_b [15.4998]
_cell_length_c [5.3888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [TbEr7Pb2]
_chemical_formula_sum '[Tb2 Er14 Pb4]'
_cell_volume [760.6449]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1
  Er  Er1  8  0.1805  0.1208  0.5000  1
  Er  Er2  4  0.0000  0.2224  0.0000  1
  Er  Er3  2  0.0000  0.5000  0.5000  1
  Pb  Pb4  4  0.0000  0.3057  0.5000  1
]