data_[Ta10Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [9.8337]
_cell_length_b [9.8337]
_cell_length_c [3.3228]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ta5Ag4]
_chemical_formula_sum '[Ta10 Ag8]'
_cell_volume [321.3221]
_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
[
  Ta  Ta0  8  0.1673  0.1673  0.5000  1
  Ta  Ta1  2  0.0000  0.0000  0.0000  1
  Ag  Ag2  8  0.0000  0.3357  0.0000  1
]