data_[Ac2Er2Sb4]
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 [Pmmn]
_cell_length_a [4.5653]
_cell_length_b [6.5376]
_cell_length_c [9.1518]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [AcErSb2]
_chemical_formula_sum '[Ac2 Er2 Sb4]'
_cell_volume [273.1424]
_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  0.5000  0.8692  1
  Er  Er1  2  0.0000  0.5000  0.3773  1
  Sb  Sb2  2  0.0000  0.0000  0.3946  1
  Sb  Sb3  2  0.0000  0.0000  0.8570  1
]