data_[Tb14Y2Mg8]
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 [15.1206]
_cell_length_b [5.7448]
_cell_length_c [9.7097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.7141]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb7YMg4]
_chemical_formula_sum '[Tb14 Y2 Mg8]'
_cell_volume [717.4959]
_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  0.0800  0.0000  0.4249  1
  Tb  Tb1  4  0.2021  0.0000  0.8778  1
  Tb  Tb2  4  0.2479  0.5000  0.7098  1
  Tb  Tb3  2  0.0000  0.5000  0.0000  1
  Y  Y4  2  0.0000  0.0000  0.0000  1
  Mg  Mg5  4  0.0414  0.5000  0.6983  1
  Mg  Mg6  4  0.1748  0.5000  0.3450  1
]