data_[Ac1Ho15Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.0074]
_cell_length_b [5.0074]
_cell_length_c [25.0533]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [AcHo15Er4]
_chemical_formula_sum '[Ac1 Ho15 Er4]'
_cell_volume [628.1920]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Ho  Ho1  4  0.0000  0.5000  0.1056  1
  Ho  Ho2  4  0.0000  0.5000  0.3024  1
  Ho  Ho3  2  0.0000  0.5000  0.5000  1
  Ho  Ho4  2  0.5000  0.5000  0.2043  1
  Ho  Ho5  2  0.5000  0.5000  0.4011  1
  Ho  Ho6  1  0.5000  0.5000  0.0000  1
  Er  Er7  2  0.0000  0.0000  0.2032  1
  Er  Er8  2  0.0000  0.0000  0.4012  1
]