data_[Pr8Ho4Er4Tm16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  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 [Imma]
_cell_length_a [6.7778]
_cell_length_b [11.7716]
_cell_length_c [13.2217]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Pr2HoErTm4]
_chemical_formula_sum '[Pr8 Ho4 Er4 Tm16]'
_cell_volume [1054.8893]
_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
[
  Pr  Pr0  4  0.0000  0.0000  0.0000  1
  Pr  Pr1  4  0.2500  0.2500  0.2500  1
  Ho  Ho2  4  0.2500  0.2500  0.7500  1
  Er  Er3  4  0.0000  0.0000  0.5000  1
  Tm  Tm4  8  0.0000  0.0043  0.7477  1
  Tm  Tm5  8  0.2485  0.2500  0.5038  1
]