data_[Rb1Cr2H2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cr  1.6600  1.4000  0.9400
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.2887]
_cell_length_b [5.4743]
_cell_length_c [6.5378]
_cell_angle_alpha [90.2897]
_cell_angle_beta [106.2538]
_cell_angle_gamma [114.5221]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbCr2(HO3)2]
_chemical_formula_sum '[Rb1 Cr2 H2 O6]'
_cell_volume [163.7275]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.5000  1
  Cr  Cr1  2  0.4802  0.2277  0.9072  1
  H  H2  2  0.0599  0.2633  0.0245  1
  O  O3  2  0.2373  0.8633  0.9266  1
  O  O4  2  0.2474  0.3707  0.9873  1
  O  O5  2  0.4595  0.2325  0.6513  1
]