data_[Er16Tm4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.3551]
_cell_length_b [7.3808]
_cell_length_c [17.3300]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er8Tm2Pb]
_chemical_formula_sum '[Er16 Tm4 Pb2]'
_cell_volume [684.9649]
_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  8  0.0000  0.2346  0.3594  1
  Er  Er1  4  0.0000  0.0000  0.1836  1
  Er  Er2  4  0.0000  0.2616  0.0000  1
  Tm  Tm3  4  0.0000  0.5000  0.1931  1
  Pb  Pb4  2  0.0000  0.5000  0.5000  1
]