data_[Sm4Ho4Er8Tm20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.5317]
_cell_length_b [19.5536]
_cell_length_c [10.4724]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [SmHoEr2Tm5]
_chemical_formula_sum '[Sm4 Ho4 Er8 Tm20]'
_cell_volume [1132.7485]
_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
[
  Sm  Sm0  4  0.0000  0.4158  0.4533  1
  Ho  Ho1  4  0.0000  0.2002  0.0117  1
  Er  Er2  4  0.0000  0.1101  0.7360  1
  Er  Er3  4  0.0000  0.1130  0.3185  1
  Tm  Tm4  4  0.0000  0.0183  0.0253  1
  Tm  Tm5  4  0.0000  0.2818  0.3103  1
  Tm  Tm6  4  0.0000  0.2991  0.7100  1
  Tm  Tm7  4  0.0000  0.3889  0.0222  1
  Tm  Tm8  4  0.0000  0.4786  0.7366  1
]