data_[Tb4Dy4Mg14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.2485]
_cell_length_b [14.7779]
_cell_length_c [7.7153]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Tb2Dy2Mg7]
_chemical_formula_sum '[Tb4 Dy4 Mg14]'
_cell_volume [598.4112]
_cell_formula_units_Z [2]
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  0.2158  0.6378  1
  Dy  Dy1  2  0.0000  0.0000  0.7969  1
  Dy  Dy2  2  0.0000  0.5000  0.6134  1
  Mg  Mg3  4  0.0000  0.1552  0.1078  1
  Mg  Mg4  4  0.0000  0.3536  0.3296  1
  Mg  Mg5  4  0.0000  0.3837  0.9562  1
  Mg  Mg6  2  0.0000  0.0000  0.3810  1
]