data_[Ac2Np1Al1O6]
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
  Al  1.6100  1.2500  0.6750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [5.5431]
_cell_length_b [5.5431]
_cell_length_c [5.1190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [Ac2NpAlO6]
_chemical_formula_sum '[Ac2 Np1 Al1 O6]'
_cell_volume [157.2845]
_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  0.0000  0.5000  0.0292  1
  Np  Np1  1  0.5000  0.5000  0.5565  1
  Al  Al2  1  0.0000  0.0000  0.5968  1
  O  O3  4  0.2319  0.2319  0.7157  1
  O  O4  1  0.0000  0.0000  0.2425  1
  O  O5  1  0.5000  0.5000  0.1299  1
]