data_[Ac2N4O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.2195]
_cell_length_b [8.4406]
_cell_length_c [5.1489]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.2355]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AcN2O3]
_chemical_formula_sum '[Ac2 N4 O6]'
_cell_volume [168.5044]
_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
[
  Ac  Ac0  2  0.3777  0.2500  0.0724  1
  N  N1  4  0.0936  0.5499  0.5441  1
  O  O2  4  0.1433  0.5542  0.0467  1
  O  O3  2  0.4030  0.2500  0.5766  1
]