data_[Tb4Mg4Ge4]
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
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.2206]
_cell_length_b [4.2757]
_cell_length_c [8.6870]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [TbMgGe]
_chemical_formula_sum '[Tb4 Mg4 Ge4]'
_cell_volume [268.1991]
_cell_formula_units_Z [4]
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  0.0309  0.2500  0.8266  1.0
  Mg  Mg1  4  0.1424  0.2500  0.4403  1.0
  Ge  Ge2  4  0.2387  0.7500  0.6246  1.0
]