data_[Y4Er2Tm2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.8953]
_cell_length_b [3.6323]
_cell_length_c [6.2862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.0982]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Y2ErTm]
_chemical_formula_sum '[Y4 Er2 Tm2]'
_cell_volume [257.2806]
_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
[
  Y  Y0  2  0.1235  0.0000  0.5721  1.0
  Y  Y1  2  0.3761  0.5000  0.6597  1.0
  Er  Er2  2  0.1264  0.5000  0.0766  1.0
  Tm  Tm3  2  0.3737  0.0000  0.1553  1.0
]