data_[Na2Sn8Pd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Pd  2.2000  1.4000  0.8462
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [9.2002]
_cell_length_b [9.2002]
_cell_length_c [5.1550]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Na(SnPd)4]
_chemical_formula_sum '[Na2 Sn8 Pd8]'
_cell_volume [436.3390]
_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  0.0000  0.0000  0.0000  1
  Sn  Sn1  8  0.1164  0.6222  0.5000  1
  Pd  Pd2  8  0.1746  0.6802  0.0000  1
]