data_[Rb2V4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.8912]
_cell_length_b [3.7279]
_cell_length_c [7.9795]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3137]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbV2O6]
_chemical_formula_sum '[Rb2 V4 O12]'
_cell_volume [282.3817]
_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  0.0000  0.0000  0.5000  1
  V  V1  4  0.1849  0.0000  0.1144  1
  O  O2  4  0.0147  0.0000  0.1414  1
  O  O3  4  0.1991  0.5000  0.0557  1
  O  O4  4  0.2176  0.5000  0.6796  1
]