data_[Na4Ag4Sn4]
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/c]
_cell_length_a [6.7531]
_cell_length_b [6.3098]
_cell_length_c [8.1070]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.6064]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaAgSn]
_chemical_formula_sum '[Na4 Ag4 Sn4]'
_cell_volume [311.5150]
_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  0.2223  0.6336  0.3902  1.0
  Ag  Ag1  4  0.4191  0.0839  0.3087  1.0
  Sn  Sn2  4  0.1868  0.1473  0.5246  1.0
]