data_[Rb2Ba2V2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4793]
_cell_length_b [6.0542]
_cell_length_c [7.9008]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.3476]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbBaVO4]
_chemical_formula_sum '[Rb2 Ba2 V2 O8]'
_cell_volume [301.5503]
_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  0.2857  0.2500  0.0661  1
  Ba  Ba1  2  0.2290  0.2500  0.5575  1
  V  V2  2  0.2370  0.7500  0.3134  1
  O  O3  4  0.0702  0.5196  0.2875  1
  O  O4  2  0.3861  0.7500  0.5274  1
  O  O5  2  0.4153  0.7500  0.1782  1
]