data_[Rb4Na2Sm2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Sm  1.1700  1.8500  1.2290
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.4320]
_cell_length_b [6.4301]
_cell_length_c [11.1301]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1675]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2NaSmF6]
_chemical_formula_sum '[Rb4 Na2 Sm2 F12]'
_cell_volume [376.3066]
_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
[
  Rb  Rb0  4  0.2544  0.0218  0.2508  1.0
  Na  Na1  2  0.5000  0.0000  0.0000  1.0
  Sm  Sm2  2  0.0000  0.0000  0.5000  1.0
  F  F3  4  0.1894  0.0116  0.7444  1.0
  F  F4  4  0.2414  0.7246  0.5289  1.0
  F  F5  4  0.3026  0.2135  0.5278  1.0
]