data_[Ac2Nd2Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Nd  1.1400  1.8500  1.2765
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.7728]
_cell_length_b [4.7728]
_cell_length_c [9.1936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [AcNdSb]
_chemical_formula_sum '[Ac2 Nd2 Sb2]'
_cell_volume [209.4225]
_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  0.1474  1
  Nd  Nd1  2  0.0000  0.0000  0.5000  1
  Sb  Sb2  2  0.0000  0.5000  0.7650  1
]