data_[Pr6Sm4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.8546]
_cell_length_b [7.9128]
_cell_length_c [7.8591]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1317]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pr3(SmSi2)2]
_chemical_formula_sum '[Pr6 Sm4 Si8]'
_cell_volume [473.6725]
_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
[
  Pr  Pr0  4  0.2369  0.1831  0.7557  1
  Pr  Pr1  2  0.5000  0.0000  0.5000  1
  Sm  Sm2  4  0.2109  0.6895  0.6080  1
  Si  Si3  4  0.0873  0.0203  0.3944  1
  Si  Si4  4  0.4928  0.6141  0.3865  1
]