data_[Tb4Mg6Ag4]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.5656]
_cell_length_b [4.3193]
_cell_length_c [7.4709]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.8561]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Mg3Ag2]
_chemical_formula_sum '[Tb4 Mg6 Ag4]'
_cell_volume [339.1629]
_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  0.1252  0.5000  0.3511  1.0
  Mg  Mg1  4  0.1878  0.5000  0.8682  1.0
  Mg  Mg2  2  0.0000  0.0000  0.0000  1.0
  Ag  Ag3  4  0.0902  0.0000  0.6533  1.0
]