data_[Cu4B4Sb4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  B  2.0400  0.8500  0.4100
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.8805]
_cell_length_b [7.8750]
_cell_length_c [7.2372]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.2785]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CuBSbO5]
_chemical_formula_sum '[Cu4 B4 Sb4 O20]'
_cell_volume [345.3408]
_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
[
  Cu  Cu0  4  0.0000  0.3516  0.2500  1.0
  B  B1  4  0.0000  0.3218  0.7500  1.0
  Sb  Sb2  4  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0828  0.2252  0.6315  1.0
  O  O4  8  0.1735  0.4524  0.8890  1.0
  O  O5  4  0.0000  0.1092  0.2500  1.0
]