data_[Na2Ag2Sn6]
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
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.7844]
_cell_length_b [6.7178]
_cell_length_c [7.0776]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.9050]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaAgSn3]
_chemical_formula_sum '[Na2 Ag2 Sn6]'
_cell_volume [285.0651]
_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  2  0.2094  0.7500  0.9764  1.0
  Ag  Ag1  2  0.3793  0.2500  0.2287  1.0
  Sn  Sn2  4  0.2425  0.5129  0.4710  1.0
  Sn  Sn3  2  0.1951  0.2500  0.7930  1.0
]