data_[Ho2Er2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.2747]
_cell_length_b [4.4814]
_cell_length_c [11.3461]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [HoErSn2]
_chemical_formula_sum '[Ho2 Er2 Sn4]'
_cell_volume [217.3517]
_cell_formula_units_Z [2]
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
[
  Ho  Ho0  2  0.5000  0.0000  0.0121  1.0
  Er  Er1  2  0.0000  0.0000  0.7449  1.0
  Sn  Sn2  2  0.0000  0.0000  0.4732  1.0
  Sn  Sn3  2  0.5000  0.0000  0.2842  1.0
]