data_[Ho2Tm2Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.8213]
_cell_length_b [4.2158]
_cell_length_c [10.4217]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [HoTmSi2]
_chemical_formula_sum '[Ho2 Tm2 Si4]'
_cell_volume [167.8909]
_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  0.0183  1.0
  Tm  Tm1  2  0.0000  0.0000  0.7385  1.0
  Si  Si2  2  0.0000  0.0000  0.4551  1.0
  Si  Si3  2  0.5000  0.0000  0.3011  1.0
]