data_[Ba6Ac3P6N18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ac  1.1000  1.9500  1.2600
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.9707]
_cell_length_b [5.9707]
_cell_length_c [20.0733]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ba2Ac(PN3)2]
_chemical_formula_sum '[Ba6 Ac3 P6 N18]'
_cell_volume [619.7181]
_cell_formula_units_Z [3]
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
[
  Ba  Ba0  6  0.0000  0.0000  0.2039  1
  Ac  Ac1  3  0.0000  0.0000  0.0000  1
  P  P2  6  0.0000  0.0000  0.4222  1
  N  N3  18  0.0271  0.5136  0.2442  1
]