data_[Ac20Ge4Pb8N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ge  2.0100  1.2500  0.7700
  Pb  2.3300  1.8000  1.1225
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.7804]
_cell_length_b [20.1640]
_cell_length_c [13.2536]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ac5GePb2N]
_chemical_formula_sum '[Ac20 Ge4 Pb8 N4]'
_cell_volume [1277.5333]
_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  0.0000  0.0421  0.0165  1
  Ac  Ac1  4  0.0000  0.2858  0.6841  1
  Ac  Ac2  4  0.0000  0.3297  0.3755  1
  Ac  Ac3  4  0.0000  0.3551  0.0037  1
  Ac  Ac4  4  0.0000  0.4986  0.7804  1
  Ge  Ge5  4  0.0000  0.2040  0.0219  1
  Pb  Pb6  4  0.0000  0.1089  0.6874  1
  Pb  Pb7  4  0.0000  0.1221  0.3126  1
  N  N8  4  0.0000  0.4484  0.4419  1
]