data_[Rb4Tl2V4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  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 [10.9322]
_cell_length_b [6.3056]
_cell_length_c [7.1701]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.1247]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2TlV2O6]
_chemical_formula_sum '[Rb4 Tl2 V4 O12]'
_cell_volume [423.1110]
_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  4  0.2091  0.5000  0.1757  1
  Tl  Tl1  2  0.0000  0.5000  0.5000  1
  V  V2  4  0.0486  0.0000  0.2133  1
  O  O3  8  0.0319  0.2313  0.7739  1
  O  O4  4  0.2305  0.0000  0.3286  1
]