data_[Ac8N4O6]
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 [C2/m]
_cell_length_a [12.7280]
_cell_length_b [3.8513]
_cell_length_c [9.8313]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.9089]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4N2O3]
_chemical_formula_sum '[Ac8 N4 O6]'
_cell_volume [395.2068]
_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  4  0.0816  0.5000  0.8869  1
  Ac  Ac1  4  0.2457  0.5000  0.6604  1
  N  N2  4  0.1430  0.5000  0.3565  1
  O  O3  4  0.1868  0.0000  0.8328  1
  O  O4  2  0.0000  0.0000  0.0000  1
]