data_[Rb2Li2Ni2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.4037]
_cell_length_b [5.8515]
_cell_length_c [7.9614]
_cell_angle_alpha [76.3383]
_cell_angle_beta [89.4974]
_cell_angle_gamma [73.1208]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbLiNiO2]
_chemical_formula_sum '[Rb2 Li2 Ni2 O4]'
_cell_volume [147.1360]
_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  0.3321  0.3225  0.3576  1.0
  Li  Li1  2  0.3204  0.3607  0.9603  1.0
  Ni  Ni2  2  0.0338  0.9255  0.1746  1.0
  O  O3  2  0.1376  0.7284  0.9193  1.0
  O  O4  2  0.3925  0.2261  0.7331  1.0
]