data_[Ac2Nd2Sb4O16]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [5.4890]
_cell_length_b [5.4890]
_cell_length_c [11.8907]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [AcNd(SbO4)2]
_chemical_formula_sum '[Ac2 Nd2 Sb4 O16]'
_cell_volume [358.2535]
_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  0.2500  1
  Nd  Nd1  2  0.0000  0.0000  0.0000  1
  Sb  Sb2  2  0.0000  0.0000  0.5000  1
  Sb  Sb3  2  0.0000  0.5000  0.7500  1
  O  O4  8  0.1562  0.7496  0.8372  1
  O  O5  8  0.1722  0.2464  0.4176  1
]