data_[Ac8Hg2Pb4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.2792]
_cell_length_b [4.0456]
_cell_length_c [8.5262]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.5495]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4Hg(PbN)2]
_chemical_formula_sum '[Ac8 Hg2 Pb4 N4]'
_cell_volume [586.4453]
_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  0.0557  0.5000  0.7485  1
  Ac  Ac1  4  0.2152  0.0000  0.1522  1
  Hg  Hg2  2  0.0000  0.0000  0.0000  1
  Pb  Pb3  4  0.1289  0.0000  0.4863  1
  N  N4  4  0.1776  0.5000  0.9685  1
]