data_[Rb4Li4Ni4O8]
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 [C2/m]
_cell_length_a [11.1654]
_cell_length_b [3.3813]
_cell_length_c [8.4274]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.7088]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbLiNiO2]
_chemical_formula_sum '[Rb4 Li4 Ni4 O8]'
_cell_volume [284.2183]
_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  0.1630  0.0000  0.6301  1.0
  Li  Li1  4  0.1592  0.5000  0.9537  1.0
  Ni  Ni2  4  0.0484  0.0000  0.1759  1.0
  O  O3  4  0.0289  0.5000  0.2837  1.0
  O  O4  4  0.1698  0.0000  0.0736  1.0
]