data_[Ac6U3Zn3Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  U  1.3800  1.7500  0.9913
  Zn  1.6500  1.3500  0.8800
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.4771]
_cell_length_b [7.4771]
_cell_length_c [18.4458]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ac2UZnSe6]
_chemical_formula_sum '[Ac6 U3 Zn3 Se18]'
_cell_volume [893.0891]
_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
[
  Ac  Ac0  3  0.0000  0.0000  0.4682  1
  Ac  Ac1  3  0.0000  0.0000  0.9604  1
  U  U2  3  0.0000  0.0000  0.1797  1
  Zn  Zn3  3  0.0000  0.0000  0.6854  1
  Se  Se4  9  0.0698  0.3384  0.7548  1
  Se  Se5  9  0.0786  0.7303  0.2601  1
]