data_[La4Tb16Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.5149]
_cell_length_b [12.2082]
_cell_length_c [11.2747]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [LaTb4Mg]
_chemical_formula_sum '[La4 Tb16 Mg4]'
_cell_volume [759.0981]
_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  0.0209  0.7943  1
  Tb  Tb1  4  0.0000  0.1692  0.5197  1
  La  La2  4  0.0000  0.1792  0.0804  1
  Tb  Tb3  4  0.0000  0.3206  0.7997  1
  Tb  Tb4  4  0.0000  0.4938  0.0602  1
  Mg  Mg5  4  0.0000  0.3484  0.3123  1
]