data_[Np12Sb4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [8.9002]
_cell_length_b [10.3645]
_cell_length_c [5.5529]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Np3SbO2]
_chemical_formula_sum '[Np12 Sb4 O8]'
_cell_volume [512.2374]
_cell_formula_units_Z [4]
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
[
  Np  Np0  8  0.1975  0.3807  0.2500  1
  Np  Np1  4  0.0000  0.1124  0.2500  1
  Sb  Sb2  4  0.0000  0.3204  0.7500  1
  O  O3  8  0.1600  0.0000  0.0000  1
]