data_[Na4Np2Pt4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Np  1.3600  1.7500  1.0000
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.9891]
_cell_length_b [9.1400]
_cell_length_c [6.4130]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.9991]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Np(PtO3)2]
_chemical_formula_sum '[Na4 Np2 Pt4 O12]'
_cell_volume [315.5215]
_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  0.0000  0.1792  0.0000  1
  Np  Np1  2  0.0000  0.5000  0.5000  1
  Pt  Pt2  4  0.0000  0.1695  0.5000  1
  O  O3  8  0.0616  0.3373  0.7361  1
  O  O4  4  0.0279  0.0000  0.3048  1
]