data_[Pr4Er12Zn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.7239]
_cell_length_b [8.3056]
_cell_length_c [7.7112]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8715]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PrEr3Zn]
_chemical_formula_sum '[Pr4 Er12 Zn4]'
_cell_volume [616.0422]
_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  0.0516  0.0000  0.3039  1
  Er  Er1  8  0.1829  0.7020  0.7135  1
  Er  Er2  4  0.0792  0.5000  0.2698  1
  Zn  Zn3  4  0.2250  0.5000  0.0636  1
]