data_[Gd1Er1Sb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Er  1.2400  1.7500  1.0300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [5.0539]
_cell_length_b [5.0539]
_cell_length_c [3.9999]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [GdErSb]
_chemical_formula_sum '[Gd1 Er1 Sb1]'
_cell_volume [88.4780]
_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
[
  Gd  Gd0  1  0.6667  0.3333  0.6200  1
  Er  Er1  1  0.0000  0.0000  0.0919  1
  Sb  Sb2  1  0.3333  0.6667  0.2881  1
]