data_[Np2P24Os8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  P  2.1900  1.0000  0.5500
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Im-3]
_cell_length_a [8.1026]
_cell_length_b [8.1026]
_cell_length_c [8.1026]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [204]
_chemical_formula_structural [Np(P3Os)4]
_chemical_formula_sum '[Np2 P24 Os8]'
_cell_volume [531.9454]
_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
[
  Np  Np0  2  0.0000  0.0000  0.0000  1
  P  P1  24  0.0000  0.3541  0.8571  1
  Os  Os2  8  0.2500  0.2500  0.2500  1
]