data_[Tb4Pr24Mg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.9845]
_cell_length_b [11.8967]
_cell_length_c [6.3098]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.0660]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb(Pr3Mg)2]
_chemical_formula_sum '[Tb4 Pr24 Mg8]'
_cell_volume [1193.1752]
_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  0.1040  0.2500  1
  Pr  Pr1  8  0.0555  0.3692  0.5103  1
  Pr  Pr2  8  0.1169  0.1473  0.8145  1
  Pr  Pr3  8  0.2215  0.1323  0.3399  1
  Mg  Mg4  8  0.1645  0.3812  0.0874  1
]