data_[Zr6Ti2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Ti  1.5400  1.4000  0.8517
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.5462]
_cell_length_b [7.4593]
_cell_length_c [6.4430]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Zr3TiN4]
_chemical_formula_sum '[Zr6 Ti2 N8]'
_cell_volume [218.4939]
_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
[
  Zr  Zr0  4  0.0000  0.2497  0.3341  1
  Zr  Zr1  2  0.0000  0.5000  0.8397  1
  Ti  Ti2  2  0.0000  0.0000  0.8254  1
  N  N3  4  0.0000  0.2429  0.6780  1
  N  N4  2  0.0000  0.0000  0.1431  1
  N  N5  2  0.0000  0.5000  0.1698  1
]