data_[Rb1Sr2As2O6]
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
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.2199]
_cell_length_b [6.7877]
_cell_length_c [6.9379]
_cell_angle_alpha [62.5216]
_cell_angle_beta [65.2834]
_cell_angle_gamma [84.5756]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbSr2(AsO3)2]
_chemical_formula_sum '[Rb1 Sr2 As2 O6]'
_cell_volume [234.2911]
_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  1  0.5000  0.5000  0.5000  1.0
  Sr  Sr1  2  0.1737  0.2905  0.1945  1.0
  As  As2  2  0.1447  0.8255  0.0999  1.0
  O  O3  2  0.0534  0.8588  0.3600  1.0
  O  O4  2  0.0541  0.3747  0.8593  1.0
  O  O5  2  0.3974  0.6765  0.0805  1.0
]