data_[Ba2Hf4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Hf  1.3000  1.5500  0.8500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.7406]
_cell_length_b [4.4634]
_cell_length_c [11.2184]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [BaHf2N3]
_chemical_formula_sum '[Ba2 Hf4 N6]'
_cell_volume [187.2978]
_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
[
  Ba  Ba0  2  0.0000  0.5000  0.5000  1
  Hf  Hf1  4  0.0000  0.5000  0.1863  1
  N  N2  4  0.0000  0.0000  0.2144  1
  N  N3  2  0.0000  0.5000  0.0000  1
]