data_[Ac2Tb2Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [3.8112]
_cell_length_b [3.8112]
_cell_length_c [12.9995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [AcTbAg]
_chemical_formula_sum '[Ac2 Tb2 Ag2]'
_cell_volume [188.8230]
_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
[
  Ac  Ac0  2  0.0000  0.0000  0.0123  1
  Tb  Tb1  2  0.0000  0.0000  0.3034  1
  Ag  Ag2  2  0.0000  0.0000  0.6843  1
]