data_[Er4Tm6Pb8]
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 [C2/m]
_cell_length_a [11.2183]
_cell_length_b [4.8332]
_cell_length_c [9.8549]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.8641]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2Tm3Pb4]
_chemical_formula_sum '[Er4 Tm6 Pb8]'
_cell_volume [532.4105]
_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  4  0.1824  0.5000  0.8086  1
  Tm  Tm1  4  0.1322  0.5000  0.4270  1
  Tm  Tm2  2  0.0000  0.0000  0.0000  1
  Pb  Pb3  4  0.0838  0.0000  0.6394  1
  Pb  Pb4  4  0.1411  0.5000  0.1181  1
]