data_[Yb2Cu4Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [5.1409]
_cell_length_b [4.2013]
_cell_length_c [7.0575]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [YbCu2Sn]
_chemical_formula_sum '[Yb2 Cu4 Sn2]'
_cell_volume [152.4292]
_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
[
  Yb  Yb0  2  0.2500  0.0000  0.2930  1.0
  Cu  Cu1  2  0.0000  0.5000  0.0000  1.0
  Cu  Cu2  2  0.2500  0.0000  0.9006  1.0
  Sn  Sn3  2  0.2500  0.5000  0.6608  1.0
]