data_[Tb2Y14Mg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.0870]
_cell_length_b [5.7502]
_cell_length_c [9.7675]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.9277]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbY7Mg4]
_chemical_formula_sum '[Tb2 Y14 Mg8]'
_cell_volume [719.1765]
_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  2  0.0000  0.0000  0.0000  1
  Y  Y1  4  0.0781  0.0000  0.4220  1
  Y  Y2  4  0.2044  0.0000  0.8793  1
  Y  Y3  4  0.2469  0.5000  0.7062  1
  Y  Y4  2  0.0000  0.5000  0.0000  1
  Mg  Mg5  4  0.0418  0.5000  0.6994  1
  Mg  Mg6  4  0.1755  0.5000  0.3442  1
]