data_[Y2Er2Ta2N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Ta  1.5000  1.4500  0.8200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.7374]
_cell_length_b [3.3202]
_cell_length_c [8.5878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.0745]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [YErTaN3]
_chemical_formula_sum '[Y2 Er2 Ta2 N6]'
_cell_volume [159.3532]
_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
[
  Y  Y0  2  0.3427  0.2500  0.3128  1.0
  Er  Er1  2  0.2301  0.7500  0.9544  1.0
  Ta  Ta2  2  0.1387  0.2500  0.6384  1.0
  N  N3  2  0.0450  0.7500  0.1711  1.0
  N  N4  2  0.2479  0.7500  0.5128  1.0
  N  N5  2  0.4385  0.2500  0.8194  1.0
]