data_[Zr4Ta4N4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Ta  1.5000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pca2_1]
_cell_length_a [6.0795]
_cell_length_b [7.4181]
_cell_length_c [4.8366]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [29]
_chemical_formula_structural [ZrTaNO]
_chemical_formula_sum '[Zr4 Ta4 N4 O4]'
_cell_volume [218.1211]
_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  0.0652  0.6305  0.0114  1
  Ta  Ta1  4  0.1373  0.1620  0.0287  1
  N  N2  4  0.0806  0.6377  0.5221  1
  O  O3  4  0.0002  0.9169  0.1402  1
]