data_[Ca2Pr2Cu2Ni2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Pr  1.1300  1.8500  1.0600
  Cu  1.9000  1.3500  0.8200
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.1335]
_cell_length_b [4.0252]
_cell_length_c [11.0498]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [CaPrCuNi]
_chemical_formula_sum '[Ca2 Pr2 Cu2 Ni2]'
_cell_volume [183.8484]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.8583  1.0
  Pr  Pr1  2  0.5000  0.0000  0.1372  1.0
  Cu  Cu2  2  0.5000  0.0000  0.4365  1.0
  Ni  Ni3  2  0.0000  0.0000  0.5679  1.0
]