data_[Rb3Sr1Sb2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [P-3m1]
_cell_length_a [6.4832]
_cell_length_b [6.4832]
_cell_length_c [7.5934]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Rb3Sr(SbO3)2]
_chemical_formula_sum '[Rb3 Sr1 Sb2 O6]'
_cell_volume [276.4055]
_cell_formula_units_Z [1]
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
[
  Rb  Rb0  2  0.3333  0.6667  0.6529  1
  Rb  Rb1  1  0.0000  0.0000  0.0000  1
  Sr  Sr2  1  0.0000  0.0000  0.5000  1
  Sb  Sb3  2  0.3333  0.6667  0.1902  1
  O  O4  6  0.1776  0.3551  0.3003  1
]