data_[Zn4Cu2Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.3209]
_cell_length_b [2.8509]
_cell_length_c [4.5716]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.2517]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Zn2CuAg]
_chemical_formula_sum '[Zn4 Cu2 Ag2]'
_cell_volume [117.2020]
_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  0.2442  0.5000  0.2537  1.0
  Zn  Zn1  2  0.4957  0.5000  0.9831  1.0
  Cu  Cu2  2  0.2580  0.0000  0.7712  1.0
  Ag  Ag3  2  0.0021  0.5000  0.4920  1.0
]