data_[Tb6Ho8Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.2022]
_cell_length_b [7.0827]
_cell_length_c [6.1694]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Tb3Ho4Mg]
_chemical_formula_sum '[Tb6 Ho8 Mg2]'
_cell_volume [489.4910]
_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  0.2442  0.6220  0.9780  1
  Tb  Tb1  2  0.0000  0.6282  0.6363  1
  Ho  Ho2  4  0.2449  0.1257  0.9867  1
  Ho  Ho3  2  0.0000  0.1249  0.6425  1
  Ho  Ho4  2  0.0000  0.8777  0.1602  1
  Mg  Mg5  2  0.0000  0.3741  0.1468  1
]