data_[Pr4Ti2Ni2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ti  1.5400  1.4000  0.8517
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.5080]
_cell_length_b [5.6696]
_cell_length_c [9.5982]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1494]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pr2TiNiO6]
_chemical_formula_sum '[Pr4 Ti2 Ni2 O12]'
_cell_volume [245.0804]
_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
[
  Pr  Pr0  4  0.2386  0.0527  0.2509  1.0
  Ti  Ti1  2  0.0000  0.0000  0.5000  1.0
  Ni  Ni2  2  0.5000  0.0000  0.0000  1.0
  O  O3  4  0.1497  0.2145  0.9515  1.0
  O  O4  4  0.2408  0.6991  0.9548  1.0
  O  O5  4  0.3312  0.0250  0.7429  1.0
]