data_[Tb1Dy1Mg1Ni1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.4435]
_cell_length_b [3.4435]
_cell_length_c [7.8901]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [TbDyMgNi]
_chemical_formula_sum '[Tb1 Dy1 Mg1 Ni1]'
_cell_volume [93.5592]
_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  0.7743  1.0
  Dy  Dy1  1  0.5000  0.5000  0.3685  1.0
  Mg  Mg2  1  0.0000  0.0000  0.0726  1.0
  Ni  Ni3  1  0.0000  0.0000  0.5693  1.0
]