data_[Tb1Er1Ni2C2N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Ni  1.9100  1.3500  0.7400
  C  2.5500  0.7000  0.3000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.4506]
_cell_length_b [3.4506]
_cell_length_c [7.3151]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [TbErNi2(CN)2]
_chemical_formula_sum '[Tb1 Er1 Ni2 C2 N2]'
_cell_volume [87.0994]
_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
[
  Tb  Tb0  1  0.5000  0.5000  0.1736  1
  Er  Er1  1  0.0000  0.0000  0.8282  1
  Ni  Ni2  2  0.0000  0.5000  0.5014  1
  C  C3  1  0.0000  0.0000  0.3377  1
  C  C4  1  0.5000  0.5000  0.6602  1
  N  N5  1  0.0000  0.0000  0.1454  1
  N  N6  1  0.5000  0.5000  0.8521  1
]