data_[Ta2Si2Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.7468]
_cell_length_b [2.8251]
_cell_length_c [5.2686]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8586]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [TaSiAg2]
_chemical_formula_sum '[Ta2 Si2 Ag4]'
_cell_volume [136.4468]
_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  0.2304  0.0000  0.6730  1
  Si  Si1  2  0.4858  0.0000  0.5817  1
  Ag  Ag2  2  0.0096  0.0000  0.0405  1
  Ag  Ag3  2  0.2742  0.5000  0.2048  1
]