data_[Ac12Zn4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Zn  1.6500  1.3500  0.8800
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.3814]
_cell_length_b [4.0073]
_cell_length_c [9.6220]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.4725]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac3ZnN]
_chemical_formula_sum '[Ac12 Zn4 N4]'
_cell_volume [593.0598]
_cell_formula_units_Z [4]
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  0.0473  0.0000  0.2795  1
  Ac  Ac1  4  0.1478  0.5000  0.9762  1
  Ac  Ac2  4  0.2421  0.0000  0.6829  1
  Zn  Zn3  4  0.0881  0.5000  0.5471  1
  N  N4  4  0.2006  0.0000  0.1538  1
]