data_[Ac8Er4Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Er  1.2400  1.7500  1.0300
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [8.2619]
_cell_length_b [11.4737]
_cell_length_c [6.5186]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Ac2ErPt2]
_chemical_formula_sum '[Ac8 Er4 Pt8]'
_cell_volume [617.9245]
_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  8  0.1403  0.1534  0.0000  1
  Er  Er1  4  0.0000  0.5000  0.2500  1
  Pt  Pt2  8  0.2462  0.0995  0.5000  1
]