data_[Rb2V2Cr4O16]
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
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.0808]
_cell_length_b [5.5516]
_cell_length_c [8.1756]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.6807]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbVCr2O8]
_chemical_formula_sum '[Rb2 V2 Cr4 O16]'
_cell_volume [411.3084]
_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  1.0
  V  V1  2  0.0000  0.0000  0.0000  1.0
  Cr  Cr2  4  0.1337  0.5000  0.8004  1.0
  O  O3  8  0.0307  0.2501  0.8296  1.0
  O  O4  4  0.1818  0.5000  0.6122  1.0
  O  O5  4  0.2192  0.0000  0.0690  1.0
]