data_[Zn2Fe2Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Fe  1.8300  1.4000  0.8525
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [2.9754]
_cell_length_b [2.9754]
_cell_length_c [9.8162]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [ZnFeAg]
_chemical_formula_sum '[Zn2 Fe2 Ag2]'
_cell_volume [86.9014]
_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
[
  Zn  Zn0  2  0.0000  0.5000  0.2876  1
  Fe  Fe1  2  0.0000  0.5000  0.5614  1
  Ag  Ag2  2  0.0000  0.5000  0.8942  1
]