data_[Yb4N4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [6.0073]
_cell_length_b [3.8239]
_cell_length_c [6.0925]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.7768]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [YbNO]
_chemical_formula_sum '[Yb4 N4 O4]'
_cell_volume [135.9262]
_cell_formula_units_Z [4]
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
[
  Yb  Yb0  2  0.0000  0.1635  0.0000  1
  Yb  Yb1  2  0.0000  0.8301  0.5000  1
  N  N2  4  0.1895  0.3840  0.6962  1
  O  O3  4  0.1923  0.6192  0.1801  1
]