data_[Tb6Mg8Ga8]
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
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.5128]
_cell_length_b [7.2780]
_cell_length_c [14.9208]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Tb3(MgGa)4]
_chemical_formula_sum '[Tb6 Mg8 Ga8]'
_cell_volume [490.0682]
_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  0.0000  0.1177  1.0
  Tb  Tb1  2  0.0000  0.5000  0.0000  1.0
  Mg  Mg2  8  0.0000  0.1968  0.3281  1.0
  Ga  Ga3  4  0.0000  0.3157  0.5000  1.0
  Ga  Ga4  4  0.0000  0.5000  0.2169  1.0
]