data_[Na2Sr2Tl6Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.2636]
_cell_length_b [5.4434]
_cell_length_c [9.5402]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.8650]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaSrTl3Sn]
_chemical_formula_sum '[Na2 Sr2 Tl6 Sn2]'
_cell_volume [367.7368]
_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  0.3978  0.7500  0.0503  1.0
  Sr  Sr1  2  0.2067  0.7500  0.3946  1.0
  Tl  Tl2  2  0.0859  0.7500  0.7409  1.0
  Tl  Tl3  2  0.1173  0.2500  0.9708  1.0
  Tl  Tl4  2  0.3065  0.2500  0.6273  1.0
  Sn  Sn5  2  0.4361  0.2500  0.2676  1.0
]