data_[Cs2Na2Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.9278]
_cell_length_b [4.9278]
_cell_length_c [10.8958]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [CsNaCl]
_chemical_formula_sum '[Cs2 Na2 Cl2]'
_cell_volume [264.5812]
_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
[
  Cs  Cs0  2  0.0000  0.5000  0.6657  1.0
  Na  Na1  2  0.0000  0.5000  0.0778  1.0
  Cl  Cl2  2  0.0000  0.5000  0.3397  1.0
]