data_[Ac4Sm8Bi6N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sm  1.1700  1.8500  1.2290
  Bi  2.0200  1.6000  1.0350
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.8809]
_cell_length_b [4.8809]
_cell_length_c [27.0718]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ac2Sm4Bi3N2]
_chemical_formula_sum '[Ac4 Sm8 Bi6 N4]'
_cell_volume [644.9457]
_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  0.0000  0.3095  1
  Sm  Sm1  8  0.0000  0.5000  0.0806  1
  Bi  Bi2  4  0.0000  0.0000  0.1733  1
  Bi  Bi3  2  0.0000  0.0000  0.0000  1
  N  N4  4  0.0000  0.0000  0.4011  1
]