data_[Ac12Ni2Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.2330]
_cell_length_b [8.0855]
_cell_length_c [12.9542]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.2959]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ac6NiAg2]
_chemical_formula_sum '[Ac12 Ni2 Ag4]'
_cell_volume [654.1371]
_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  0.1205  0.6932  0.9410  1
  Ac  Ac1  4  0.2768  0.1801  0.9406  1
  Ac  Ac2  4  0.3875  0.5331  0.7480  1
  Ni  Ni3  2  0.5000  0.0000  0.5000  1
  Ag  Ag4  4  0.1684  0.6069  0.2332  1
]