data_[Na4Ag4Sn4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [8.1657]
_cell_length_b [8.3750]
_cell_length_c [11.6569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NaAgSnCl4]
_chemical_formula_sum '[Na4 Ag4 Sn4 Cl16]'
_cell_volume [797.1895]
_cell_formula_units_Z [4]
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  0.2500  0.2500  0.2500  1.0
  Ag  Ag1  4  0.0000  0.2500  0.8569  1.0
  Sn  Sn2  4  0.0000  0.0000  0.5000  1.0
  Cl  Cl3  8  0.0000  0.0164  0.2565  1.0
  Cl  Cl4  8  0.2447  0.2500  0.4970  1.0
]