data_[Na4Zn8Ag10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.6178]
_cell_length_b [8.3790]
_cell_length_c [8.9527]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na2Zn4Ag5]
_chemical_formula_sum '[Na4 Zn8 Ag10]'
_cell_volume [421.4170]
_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
[
  Na  Na0  4  0.0000  0.0000  0.3114  1
  Zn  Zn1  8  0.0000  0.3346  0.2461  1
  Ag  Ag2  8  0.2475  0.1823  0.0000  1
  Ag  Ag3  2  0.0000  0.5000  0.0000  1
]