data_[Tb6Mg14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.5540]
_cell_length_b [5.0999]
_cell_length_c [6.5091]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6161]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Mg7]
_chemical_formula_sum '[Tb6 Mg14]'
_cell_volume [514.3332]
_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  0.2062  0.0000  0.7934  1
  Tb  Tb1  2  0.0000  0.0000  0.0000  1
  Mg  Mg2  4  0.0918  0.5000  0.8628  1
  Mg  Mg3  4  0.1075  0.5000  0.3817  1
  Mg  Mg4  4  0.1993  0.0000  0.3002  1
  Mg  Mg5  2  0.0000  0.0000  0.5000  1
]