data_[Gd2Ru2N2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Ru  2.2000  1.3000  0.6610
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [3.7697]
_cell_length_b [3.7697]
_cell_length_c [7.6663]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [GdRuNO]
_chemical_formula_sum '[Gd2 Ru2 N2 O2]'
_cell_volume [108.9406]
_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
[
  Gd  Gd0  2  0.0000  0.5000  0.8455  1
  Ru  Ru1  2  0.0000  0.0000  0.5000  1
  N  N2  2  0.0000  0.5000  0.3731  1
  O  O3  2  0.0000  0.0000  0.0000  1
]