data_[Y2Ni2N2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ni  1.9100  1.3500  0.7400
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.6046]
_cell_length_b [6.1307]
_cell_length_c [5.2566]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [YNiNO]
_chemical_formula_sum '[Y2 Ni2 N2 O2]'
_cell_volume [116.1633]
_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  2  0.5000  0.3071  0.9918  1
  Ni  Ni1  2  0.0000  0.1469  0.4859  1
  N  N2  2  0.0000  0.1416  0.8612  1
  O  O3  2  0.5000  0.3385  0.4150  1
]