data_[Zr4Ti12N4]
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 [Imma]
_cell_length_a [5.8128]
_cell_length_b [5.9515]
_cell_length_c [9.0972]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [ZrTi3N]
_chemical_formula_sum '[Zr4 Ti12 N4]'
_cell_volume [314.7165]
_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
[
  Zr  Zr0  4  0.0000  0.2500  0.7468  1
  Ti  Ti1  8  0.2454  0.0000  0.5000  1
  Ti  Ti2  4  0.0000  0.2500  0.2574  1
  N  N3  4  0.0000  0.2500  0.4917  1
]