data_[Tb4Ho8Er20Zr4]
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
  Zr  1.3300  1.5500  0.8600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.5702]
_cell_length_b [21.4644]
_cell_length_c [9.2649]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbHo2Er5Zr]
_chemical_formula_sum '[Tb4 Ho8 Er20 Zr4]'
_cell_volume [1107.7160]
_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  0.4009  0.5728  1
  Ho  Ho1  4  0.0000  0.1146  0.6799  1
  Ho  Ho2  4  0.0000  0.1343  0.2866  1
  Er  Er3  4  0.0000  0.0142  0.9881  1
  Er  Er4  4  0.0000  0.2681  0.6718  1
  Er  Er5  4  0.0000  0.3041  0.2876  1
  Er  Er6  4  0.0000  0.3947  0.9549  1
  Er  Er7  4  0.0000  0.4710  0.2527  1
  Zr  Zr8  4  0.0000  0.1845  0.9817  1
]