data_[Ba4Ac2Np2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ac  1.1000  1.9500  1.2600
  Np  1.3600  1.7500  1.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.3594]
_cell_length_b [6.4262]
_cell_length_c [11.0023]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8683]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ba2AcNpO6]
_chemical_formula_sum '[Ba4 Ac2 Np2 O12]'
_cell_volume [368.9037]
_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
[
  Ba  Ba0  4  0.2403  0.5335  0.7502  1
  Ac  Ac1  2  0.5000  0.0000  0.0000  1
  Np  Np2  2  0.0000  0.0000  0.5000  1
  O  O3  4  0.1409  0.7298  0.4469  1
  O  O4  4  0.2218  0.1951  0.4545  1
  O  O5  4  0.3212  0.5315  0.2307  1
]