data_[Na4Pu2Sn2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pu  1.2800  1.7500  0.9675
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [6.6869]
_cell_length_b [5.2109]
_cell_length_c [9.3789]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [Na2PuSnSb2]
_chemical_formula_sum '[Na4 Pu2 Sn2 Sb4]'
_cell_volume [326.8011]
_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  0.5000  0.0000  1
  Na  Na1  2  0.2500  0.0000  0.8479  1
  Pu  Pu2  2  0.0000  0.0000  0.5000  1
  Sn  Sn3  2  0.2500  0.5000  0.3363  1
  Sb  Sb4  2  0.2500  0.0000  0.1843  1
  Sb  Sb5  2  0.2500  0.5000  0.6654  1
]