data_[Gd1Er1Ag2Sn2]
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
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [4.7261]
_cell_length_b [4.7261]
_cell_length_c [7.3568]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [GdEr(AgSn)2]
_chemical_formula_sum '[Gd1 Er1 Ag2 Sn2]'
_cell_volume [142.3097]
_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  0.0000  0.0000  0.7599  1
  Er  Er1  1  0.0000  0.0000  0.2607  1
  Ag  Ag2  1  0.3333  0.6667  0.9526  1
  Ag  Ag3  1  0.6667  0.3333  0.4477  1
  Sn  Sn4  1  0.3333  0.6667  0.5374  1
  Sn  Sn5  1  0.6667  0.3333  0.0416  1
]