data_[Li8Al4Ni4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Al  1.6100  1.2500  0.6750
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pna2_1]
_cell_length_a [10.7449]
_cell_length_b [6.3590]
_cell_length_c [4.9851]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [33]
_chemical_formula_structural [Li2AlNiO4]
_chemical_formula_sum '[Li8 Al4 Ni4 O16]'
_cell_volume [340.6171]
_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
[
  Li  Li0  4  0.0826  0.7557  0.2559  1
  Li  Li1  4  0.1650  0.0043  0.7560  1
  Al  Al2  4  0.1661  0.5073  0.7614  1
  Ni  Ni3  4  0.0858  0.2573  0.2596  1
  O  O4  4  0.0813  0.7370  0.6598  1
  O  O5  4  0.0947  0.2747  0.6342  1
  O  O6  4  0.1631  0.4935  0.1197  1
  O  O7  4  0.1749  0.0193  0.1565  1
]