# generated using pymatgen
data_Nb2Ni4O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.12253300
_cell_length_b   8.81251500
_cell_length_c   14.49088200
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Nb2Ni4O9
_chemical_formula_sum   'Nb8 Ni16 O36'
_cell_volume   654.15317566
_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
  Nb  Nb0  1  0.49831000  0.53084900  0.35531500  1.0
  Nb  Nb1  1  0.99831000  0.96915100  0.35531500  1.0
  Nb  Nb2  1  0.00169000  0.96915100  0.85531500  1.0
  Nb  Nb3  1  0.50169000  0.53084900  0.85531500  1.0
  Nb  Nb4  1  0.49831000  0.46915100  0.14468500  1.0
  Nb  Nb5  1  0.99831000  0.03084900  0.14468500  1.0
  Nb  Nb6  1  0.50169000  0.46915100  0.64468500  1.0
  Nb  Nb7  1  0.00169000  0.03084900  0.64468500  1.0
  Ni  Ni8  1  0.99453000  0.66471700  0.00293300  1.0
  Ni  Ni9  1  0.50102800  0.83724300  0.18674800  1.0
  Ni  Ni10  1  0.50547000  0.16471700  0.99706700  1.0
  Ni  Ni11  1  0.99897200  0.33724300  0.81325200  1.0
  Ni  Ni12  1  0.49453000  0.83528300  0.00293300  1.0
  Ni  Ni13  1  0.49897200  0.16275700  0.81325200  1.0
  Ni  Ni14  1  0.50547000  0.83528300  0.50293300  1.0
  Ni  Ni15  1  0.50102800  0.16275700  0.31325200  1.0
  Ni  Ni16  1  0.00102800  0.33724300  0.31325200  1.0
  Ni  Ni17  1  0.00102800  0.66275700  0.18674800  1.0
  Ni  Ni18  1  0.49453000  0.16471700  0.49706700  1.0
  Ni  Ni19  1  0.00547000  0.33528300  0.99706700  1.0
  Ni  Ni20  1  0.99453000  0.33528300  0.49706700  1.0
  Ni  Ni21  1  0.99897200  0.66275700  0.68674800  1.0
  Ni  Ni22  1  0.49897200  0.83724300  0.68674800  1.0
  Ni  Ni23  1  0.00547000  0.66471700  0.50293300  1.0
  O  O24  1  0.64700000  0.35045400  0.74917800  1.0
  O  O25  1  0.82731200  0.83500500  0.59705800  1.0
  O  O26  1  0.67268800  0.33500500  0.40294200  1.0
  O  O27  1  0.32731200  0.66499500  0.59705800  1.0
  O  O28  1  0.20969500  0.50000000  0.75000000  1.0
  O  O29  1  0.17045300  0.17097100  0.07105200  1.0
  O  O30  1  0.32954700  0.32902900  0.57105200  1.0
  O  O31  1  0.83446600  0.50380300  0.58517800  1.0
  O  O32  1  0.82954700  0.17097100  0.57105200  1.0
  O  O33  1  0.67045300  0.32902900  0.07105200  1.0
  O  O34  1  0.32731200  0.33500500  0.90294200  1.0
  O  O35  1  0.17268800  0.16499500  0.40294200  1.0
  O  O36  1  0.66553400  0.99619700  0.08517800  1.0
  O  O37  1  0.35300000  0.35045400  0.24917800  1.0
  O  O38  1  0.33446600  0.99619700  0.58517800  1.0
  O  O39  1  0.14700000  0.85045400  0.75082200  1.0
  O  O40  1  0.67268800  0.66499500  0.09705800  1.0
  O  O41  1  0.16553400  0.49619700  0.41482200  1.0
  O  O42  1  0.32954700  0.67097100  0.92894800  1.0
  O  O43  1  0.79030500  0.50000000  0.25000000  1.0
  O  O44  1  0.85300000  0.14954600  0.24917800  1.0
  O  O45  1  0.85300000  0.85045400  0.25082200  1.0
  O  O46  1  0.64700000  0.64954600  0.75082200  1.0
  O  O47  1  0.83446600  0.49619700  0.91482200  1.0
  O  O48  1  0.29030500  0.00000000  0.25000000  1.0
  O  O49  1  0.16553400  0.50380300  0.08517800  1.0
  O  O50  1  0.17268800  0.83500500  0.09705800  1.0
  O  O51  1  0.66553400  0.00380300  0.41482200  1.0
  O  O52  1  0.70969500  0.00000000  0.75000000  1.0
  O  O53  1  0.17045300  0.82902900  0.42894800  1.0
  O  O54  1  0.67045300  0.67097100  0.42894800  1.0
  O  O55  1  0.33446600  0.00380300  0.91482200  1.0
  O  O56  1  0.14700000  0.14954600  0.74917800  1.0
  O  O57  1  0.82954700  0.82902900  0.92894800  1.0
  O  O58  1  0.35300000  0.64954600  0.25082200  1.0
  O  O59  1  0.82731200  0.16499500  0.90294200  1.0