data_[Na2Mg1Ni5O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [4.9366]
_cell_length_b [6.2063]
_cell_length_c [6.7338]
_cell_angle_alpha [107.3274]
_cell_angle_beta [95.9318]
_cell_angle_gamma [103.0644]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Na2Mg(NiO2)5]
_chemical_formula_sum '[Na2 Mg1 Ni5 O10]'
_cell_volume [188.5926]
_cell_formula_units_Z [1]
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  0.8042  0.1189  0.6158  1.0
  Na  Na1  1  0.9933  0.4925  0.9925  1.0
  Mg  Mg2  1  0.2085  0.8931  0.3937  1.0
  Ni  Ni3  1  0.0024  0.9985  0.0025  1.0
  Ni  Ni4  1  0.1991  0.3985  0.4000  1.0
  Ni  Ni5  1  0.4021  0.8036  0.8035  1.0
  Ni  Ni6  1  0.5966  0.1893  0.2006  1.0
  Ni  Ni7  1  0.8027  0.6140  0.5962  1.0
  O  O8  1  0.0938  0.4828  0.6684  1.0
  O  O9  1  0.1134  0.9334  0.7257  1.0
  O  O10  1  0.2776  0.2941  0.1195  1.0
  O  O11  1  0.2855  0.8675  0.0827  1.0
  O  O12  1  0.4776  0.2486  0.4641  1.0
  O  O13  1  0.4942  0.7412  0.5241  1.0
  O  O14  1  0.7102  0.1260  0.9381  1.0
  O  O15  1  0.7196  0.7014  0.8749  1.0
  O  O16  1  0.9071  0.0601  0.2736  1.0
  O  O17  1  0.9206  0.5465  0.3314  1.0
]