data_[Ce2Dy1Er1N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.0697]
_cell_length_b [3.5044]
_cell_length_c [6.0782]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4494]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Ce2DyErN4]
_chemical_formula_sum '[Ce2 Dy1 Er1 N4]'
_cell_volume [121.9088]
_cell_formula_units_Z [1]
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
[
  Ce  Ce0  1  0.0000  0.5000  0.5000  1.0
  Ce  Ce1  1  0.5000  0.0000  0.5000  1.0
  Dy  Dy2  1  0.5000  0.5000  0.0000  1.0
  Er  Er3  1  0.0000  0.0000  0.0000  1.0
  N  N4  2  0.2465  0.5000  0.2452  1.0
  N  N5  2  0.2493  0.0000  0.7534  1.0
]