data_[Tb4Pr16Mg4]
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 [Cmc2_1]
_cell_length_a [5.6909]
_cell_length_b [12.3278]
_cell_length_c [11.5125]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbPr4Mg]
_chemical_formula_sum '[Tb4 Pr16 Mg4]'
_cell_volume [807.6752]
_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  0.1768  0.0831  1
  Pr  Pr1  4  0.0000  0.0199  0.8061  1
  Pr  Pr2  4  0.0000  0.1793  0.5234  1
  Pr  Pr3  4  0.0000  0.3169  0.8043  1
  Pr  Pr4  4  0.0000  0.4968  0.5508  1
  Mg  Mg5  4  0.0000  0.3460  0.2988  1
]