data_[Sb4As4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sb  2.0500  1.4500  0.8300
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_12_12_1]
_cell_length_a [6.2817]
_cell_length_b [7.7501]
_cell_length_c [8.3742]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [19]
_chemical_formula_structural [SbAsO5]
_chemical_formula_sum '[Sb4 As4 O20]'
_cell_volume [407.6874]
_cell_formula_units_Z [4]
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
[
  Sb  Sb0  4  0.2477  0.2453  0.4954  1
  As  As1  4  0.0156  0.8584  0.3304  1
  O  O2  4  0.0036  0.5777  0.0761  1
  O  O3  4  0.0046  0.3687  0.5877  1
  O  O4  4  0.0522  0.7085  0.4648  1
  O  O5  4  0.2200  0.3613  0.2824  1
  O  O6  4  0.2278  0.8946  0.1972  1
]