data_[Ac4Pm4Er20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.9397]
_cell_length_b [9.7882]
_cell_length_c [11.4657]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3656]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AcPmEr5]
_chemical_formula_sum '[Ac4 Pm4 Er20]'
_cell_volume [940.5828]
_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  4  0.2500  0.2500  0.5000  1
  Pm  Pm1  4  0.0000  0.2332  0.7500  1
  Er  Er2  8  0.1284  0.0761  0.1671  1
  Er  Er3  8  0.1672  0.3956  0.0354  1
  Er  Er4  4  0.0000  0.4265  0.2500  1
]