data_[Np12H8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  H  2.2000  0.2500  0.0000
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [9.0159]
_cell_length_b [8.8653]
_cell_length_c [4.6925]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Np3H2Pb]
_chemical_formula_sum '[Np12 H8 Pb4]'
_cell_volume [375.0643]
_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  0.2168  0.3074  0.2500  1
  Np  Np1  4  0.0000  0.1443  0.2500  1
  H  H2  8  0.1524  0.0000  0.0000  1
  Pb  Pb3  4  0.0000  0.3863  0.7500  1
]