data_[Na4Sm2Cd2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sm  1.1700  1.8500  1.2290
  Cd  1.6900  1.5500  1.0900
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.8296]
_cell_length_b [9.2010]
_cell_length_c [7.6847]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2SmCdSn2]
_chemical_formula_sum '[Na4 Sm2 Cd2 Sn4]'
_cell_volume [341.4872]
_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
[
  Na  Na0  2  0.0000  0.1632  0.3357  1.0
  Na  Na1  2  0.5000  0.0726  0.0310  1.0
  Sm  Sm2  2  0.0000  0.4651  0.9965  1.0
  Cd  Cd3  2  0.5000  0.3105  0.6520  1.0
  Sn  Sn4  2  0.0000  0.1719  0.7616  1.0
  Sn  Sn5  2  0.5000  0.3817  0.2688  1.0
]