data_[Ac16Co4N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Co  1.8800  1.3500  0.7683
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.7109]
_cell_length_b [3.9205]
_cell_length_c [9.6297]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.1186]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac8Co2N]
_chemical_formula_sum '[Ac16 Co4 N2]'
_cell_volume [743.0578]
_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  0.0168  0.0000  0.1875  1
  Ac  Ac1  4  0.0994  0.5000  0.5515  1
  Ac  Ac2  4  0.1421  0.5000  0.9616  1
  Ac  Ac3  4  0.2254  0.0000  0.3195  1
  Co  Co4  4  0.1587  0.0000  0.7395  1
  N  N5  2  0.0000  0.5000  0.0000  1
]