data_[Rb4Tb4V8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.8669]
_cell_length_b [10.1651]
_cell_length_c [6.0927]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1964]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbTbV2O6]
_chemical_formula_sum '[Rb4 Tb4 V8 O24]'
_cell_volume [652.4672]
_cell_formula_units_Z [4]
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  0.0000  0.1798  0.7500  1.0
  Tb  Tb1  4  0.0000  0.4016  0.2500  1.0
  V  V2  8  0.2167  0.0890  0.3056  1.0
  O  O3  8  0.1099  0.4307  0.6201  1.0
  O  O4  8  0.1449  0.2437  0.2335  1.0
  O  O5  8  0.1643  0.0110  0.5414  1.0
]