data_[Hf2Sn2N4O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  Sn  1.9600  1.4500  0.8300
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [5.6508]
_cell_length_b [5.6664]
_cell_length_c [5.9543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3374]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [HfSnN2O]
_chemical_formula_sum '[Hf2 Sn2 N4 O2]'
_cell_volume [173.7112]
_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
[
  Hf  Hf0  2  0.4944  0.5000  0.0002  1
  Sn  Sn1  2  0.1246  0.5000  0.2897  1
  N  N2  4  0.3118  0.2486  0.1460  1
  O  O3  2  0.3098  0.5000  0.6497  1
]