data_[Rb1Zn1Cr2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.5860]
_cell_length_b [5.5860]
_cell_length_c [7.8581]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [RbZnCr2O8]
_chemical_formula_sum '[Rb1 Zn1 Cr2 O8]'
_cell_volume [212.3476]
_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  0.0000  0.0000  1.0
  Zn  Zn1  1  0.0000  0.0000  0.5000  1.0
  Cr  Cr2  2  0.3333  0.6667  0.2740  1.0
  O  O3  6  0.1692  0.3385  0.3407  1.0
  O  O4  2  0.3333  0.6667  0.0653  1.0
]