data_[Ac2Er8Sb10]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4361]
_cell_length_b [6.3253]
_cell_length_c [22.2158]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [AcEr4Sb5]
_chemical_formula_sum '[Ac2 Er8 Sb10]'
_cell_volume [623.3731]
_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  2  0.0000  0.0000  0.0000  1
  Er  Er1  4  0.0000  0.0000  0.2051  1
  Er  Er2  4  0.0000  0.0000  0.3988  1
  Sb  Sb3  4  0.0000  0.5000  0.1984  1
  Sb  Sb4  4  0.0000  0.5000  0.3901  1
  Sb  Sb5  2  0.0000  0.5000  0.0000  1
]