# generated using pymatgen
data_Na(NiO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.85829900
_cell_length_b   8.81078300
_cell_length_c   10.86090700
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na(NiO2)2
_chemical_formula_sum   'Na4 Ni8 O16'
_cell_volume   273.51947706
_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
  Na  Na0  1  0.75000000  0.74081600  0.66579700  1.0
  Na  Na1  1  0.25000000  0.75918400  0.16579700  1.0
  Na  Na2  1  0.75000000  0.24081600  0.83420300  1.0
  Na  Na3  1  0.25000000  0.25918400  0.33420300  1.0
  Ni  Ni4  1  0.75000000  0.56183900  0.88793900  1.0
  Ni  Ni5  1  0.75000000  0.58632300  0.40517100  1.0
  Ni  Ni6  1  0.25000000  0.91367700  0.90517100  1.0
  Ni  Ni7  1  0.25000000  0.93816100  0.38793900  1.0
  Ni  Ni8  1  0.75000000  0.06183900  0.61206100  1.0
  Ni  Ni9  1  0.75000000  0.08632300  0.09482900  1.0
  Ni  Ni10  1  0.25000000  0.41367700  0.59482900  1.0
  Ni  Ni11  1  0.25000000  0.43816100  0.11206100  1.0
  O  O12  1  0.25000000  0.53641400  0.29819100  1.0
  O  O13  1  0.75000000  0.57301500  0.07684600  1.0
  O  O14  1  0.25000000  0.61924300  0.51853500  1.0
  O  O15  1  0.25000000  0.69910900  0.84723500  1.0
  O  O16  1  0.75000000  0.80089100  0.34723500  1.0
  O  O17  1  0.75000000  0.88075700  0.01853500  1.0
  O  O18  1  0.25000000  0.92698500  0.57684600  1.0
  O  O19  1  0.75000000  0.96358600  0.79819100  1.0
  O  O20  1  0.25000000  0.03641400  0.20180900  1.0
  O  O21  1  0.75000000  0.07301500  0.42315400  1.0
  O  O22  1  0.25000000  0.11924300  0.98146500  1.0
  O  O23  1  0.25000000  0.19910900  0.65276500  1.0
  O  O24  1  0.75000000  0.30089100  0.15276500  1.0
  O  O25  1  0.75000000  0.38075700  0.48146500  1.0
  O  O26  1  0.25000000  0.42698500  0.92315400  1.0
  O  O27  1  0.75000000  0.46358600  0.70180900  1.0