data_[Rb2As2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [6.2336]
_cell_length_b [4.8680]
_cell_length_c [6.9618]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.1001]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [RbAsO3]
_chemical_formula_sum '[Rb2 As2 O6]'
_cell_volume [203.9656]
_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
[
  Rb  Rb0  2  0.0351  0.9615  0.7690  1.0
  As  As1  2  0.4982  0.0114  0.3459  1.0
  O  O2  2  0.2529  0.9517  0.1855  1.0
  O  O3  2  0.2556  0.4516  0.7005  1.0
  O  O4  2  0.4997  0.8758  0.5906  1.0
]