data_[Ac2Np1Se3O3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Np  1.3600  1.7500  1.0000
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-62m]
_cell_length_a [7.8530]
_cell_length_b [7.8530]
_cell_length_c [3.6458]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Ac2Np(SeO)3]
_chemical_formula_sum '[Ac2 Np1 Se3 O3]'
_cell_volume [194.7144]
_cell_formula_units_Z [1]
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
[
  Ac  Ac0  2  0.3333  0.6667  0.5000  1
  Np  Np1  1  0.0000  0.0000  0.0000  1
  Se  Se2  3  0.0000  0.3973  0.0000  1
  O  O3  3  0.0000  0.8157  0.5000  1
]