data_[Er4Tm6Zn6]
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
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5541]
_cell_length_b [5.0965]
_cell_length_c [21.1951]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er2(TmZn)3]
_chemical_formula_sum '[Er4 Tm6 Zn6]'
_cell_volume [383.9164]
_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  4  0.0000  0.5000  0.2714  1.0
  Tm  Tm1  4  0.0000  0.0000  0.3817  1.0
  Tm  Tm2  2  0.0000  0.5000  0.5000  1.0
  Zn  Zn3  4  0.0000  0.0000  0.1148  1.0
  Zn  Zn4  2  0.0000  0.5000  0.0000  1.0
]