data_[Tb20Ho8Er4Th4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Th  1.3000  1.8000  1.0800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6960]
_cell_length_b [21.5368]
_cell_length_c [9.6687]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb5Ho2ErTh]
_chemical_formula_sum '[Tb20 Ho8 Er4 Th4]'
_cell_volume [1186.0975]
_cell_formula_units_Z [4]
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  4  0.0000  0.0146  0.5169  1
  Tb  Tb1  4  0.0000  0.2717  0.8228  1
  Tb  Tb2  4  0.0000  0.3037  0.2168  1
  Tb  Tb3  4  0.0000  0.3984  0.5425  1
  Tb  Tb4  4  0.0000  0.4687  0.2435  1
  Ho  Ho5  4  0.0000  0.1160  0.8296  1
  Ho  Ho6  4  0.0000  0.1288  0.2117  1
  Er  Er7  4  0.0000  0.1890  0.5170  1
  Th  Th8  4  0.0000  0.4047  0.9231  1
]