data_[Y4Si2Ni2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Si  1.9000  1.1000  0.5400
  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 [5.2264]
_cell_length_b [5.4733]
_cell_length_c [9.0812]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8113]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Y2SiNiO6]
_chemical_formula_sum '[Y4 Si2 Ni2 O12]'
_cell_volume [213.2871]
_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
[
  Y  Y0  4  0.2670  0.5638  0.7509  1.0
  Si  Si1  2  0.0000  0.0000  0.5000  1.0
  Ni  Ni2  2  0.5000  0.0000  0.0000  1.0
  O  O3  4  0.1363  0.5296  0.2320  1.0
  O  O4  4  0.2326  0.2202  0.0529  1.0
  O  O5  4  0.3275  0.6826  0.0459  1.0
]