data_[Sr4Sb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [6.1599]
_cell_length_b [10.2507]
_cell_length_c [3.5208]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Sr2SbO4]
_chemical_formula_sum '[Sr4 Sb2 O8]'
_cell_volume [222.3147]
_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
[
  Sr  Sr0  4  0.0734  0.1812  0.5000  1
  Sb  Sb1  2  0.0000  0.5000  0.0000  1
  O  O2  4  0.1327  0.6903  0.0000  1
  O  O3  4  0.2125  0.4525  0.5000  1
]