data_[Na8Tl6Sn10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.2443]
_cell_length_b [5.6531]
_cell_length_c [11.2911]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.6220]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na4Tl3Sn5]
_chemical_formula_sum '[Na8 Tl6 Sn10]'
_cell_volume [790.9726]
_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  0.0127  0.0000  0.1928  1
  Na  Na1  4  0.2456  0.5000  0.7745  1
  Tl  Tl2  4  0.1834  0.5000  0.4468  1
  Tl  Tl3  2  0.0000  0.0000  0.5000  1
  Sn  Sn4  4  0.1055  0.5000  0.1322  1
  Sn  Sn5  4  0.2299  0.0000  0.9196  1
  Sn  Sn6  2  0.0000  0.5000  0.5000  1
]