data_[Ac8Sb10N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sb  2.0500  1.4500  0.8300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.8977]
_cell_length_b [11.6204]
_cell_length_c [12.0927]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ac4Sb5N]
_chemical_formula_sum '[Ac8 Sb10 N2]'
_cell_volume [688.2374]
_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  0.0000  0.3041  0.5000  1
  Ac  Ac1  4  0.0000  0.5000  0.1910  1
  Sb  Sb2  8  0.0000  0.1954  0.2060  1
  Sb  Sb3  2  0.0000  0.0000  0.5000  1
  N  N4  2  0.0000  0.5000  0.5000  1
]