data_[Pr8Zn4Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.4771]
_cell_length_b [4.4469]
_cell_length_c [10.7853]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.8390]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2ZnCu2]
_chemical_formula_sum '[Pr8 Zn4 Cu8]'
_cell_volume [444.3358]
_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  0.0218  0.5000  0.3414  1
  Pr  Pr1  4  0.1990  0.5000  0.1116  1
  Zn  Zn2  4  0.2276  0.0000  0.3500  1
  Cu  Cu3  4  0.0077  0.0000  0.8876  1
  Cu  Cu4  4  0.1402  0.0000  0.5617  1
]