data_[Ac4Sb4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7032]
_cell_length_b [6.9387]
_cell_length_c [4.2556]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.7437]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Sb2O7]
_chemical_formula_sum '[Ac4 Sb4 O14]'
_cell_volume [361.0319]
_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  4  0.2113  0.0000  0.2225  1
  Sb  Sb1  4  0.0000  0.2691  0.5000  1
  O  O2  8  0.1650  0.2105  0.7028  1
  O  O3  4  0.0607  0.5000  0.3061  1
  O  O4  2  0.0000  0.0000  0.0000  1
]