data_[Np2Ta4H16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Ta  1.5000  1.4500  0.8200
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.7513]
_cell_length_b [9.1134]
_cell_length_c [3.3444]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.2771]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Np(TaH4)2]
_chemical_formula_sum '[Np2 Ta4 H16]'
_cell_volume [175.0037]
_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
  Ta  Ta1  4  0.0000  0.3381  0.5000  1
  H  H2  8  0.1660  0.1492  0.5279  1
  H  H3  4  0.0000  0.2525  0.0000  1
  H  H4  4  0.1235  0.5000  0.8070  1
]