data_[Nb2Ni2Pb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Ni  1.9100  1.3500  0.7400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.8446]
_cell_length_b [5.7186]
_cell_length_c [5.7039]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.2408]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [NbNi(PbO3)2]
_chemical_formula_sum '[Nb2 Ni2 Pb4 O12]'
_cell_volume [262.2650]
_cell_formula_units_Z [2]
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  2  0.0046  0.5000  0.5044  1
  Ni  Ni1  2  0.0005  0.0000  0.0005  1
  Pb  Pb2  2  0.2521  0.5000  0.2371  1
  Pb  Pb3  2  0.2529  0.0000  0.7742  1
  O  O4  4  0.0488  0.2452  0.7853  1
  O  O5  4  0.4471  0.2419  0.1970  1
  O  O6  2  0.2430  0.5000  0.6624  1
  O  O7  2  0.2566  0.0000  0.3559  1
]