data_[Er16Tm2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  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 [8.6963]
_cell_length_b [14.8300]
_cell_length_c [5.6776]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.5110]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er8TmSn2]
_chemical_formula_sum '[Er16 Tm2 Sn4]'
_cell_volume [660.8246]
_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
[
  Er  Er0  8  0.2082  0.1144  0.1169  1
  Er  Er1  4  0.0000  0.2196  0.5000  1
  Er  Er2  4  0.0939  0.5000  0.2982  1
  Tm  Tm3  2  0.0000  0.0000  0.5000  1
  Sn  Sn4  4  0.0000  0.3055  0.0000  1
]