data_[Y4Tm12Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.7425]
_cell_length_b [4.4916]
_cell_length_c [9.4159]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.3052]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [YTm3Sn2]
_chemical_formula_sum '[Y4 Tm12 Sn8]'
_cell_volume [689.1497]
_cell_formula_units_Z [4]
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
[
  Y  Y0  4  0.1137  0.0000  0.1266  1
  Tm  Tm1  4  0.0559  0.0000  0.6886  1
  Tm  Tm2  4  0.1455  0.5000  0.4840  1
  Tm  Tm3  4  0.1916  0.5000  0.8907  1
  Sn  Sn4  4  0.0079  0.5000  0.8513  1
  Sn  Sn5  4  0.2457  0.0000  0.7176  1
]