data_[Ta2Ga4Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Ga  1.8100  1.3000  0.7600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.5971]
_cell_length_b [7.5971]
_cell_length_c [2.9826]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ta(GaAg)2]
_chemical_formula_sum '[Ta2 Ga4 Ag4]'
_cell_volume [172.1441]
_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  2  0.0000  0.0000  0.0000  1
  Ga  Ga1  4  0.1574  0.3426  0.0000  1
  Ag  Ag2  4  0.1431  0.6431  0.5000  1
]