data_[Pr4Sm4C4F10]
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
  C  2.5500  0.7000  0.3000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.0223]
_cell_length_b [3.7210]
_cell_length_c [6.7814]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.8288]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2Sm2C2F5]
_chemical_formula_sum '[Pr4 Sm4 C4 F10]'
_cell_volume [369.8366]
_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  0.0027  0.0000  0.2641  1
  Sm  Sm1  4  0.1974  0.5000  0.6995  1
  C  C2  4  0.0487  0.5000  0.5494  1
  F  F3  4  0.1862  0.0000  0.9166  1
  F  F4  4  0.1870  0.0000  0.4586  1
  F  F5  2  0.0000  0.5000  0.0000  1
]