data_[Na4Nd2Zn2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nd  1.1400  1.8500  1.2765
  Zn  1.6500  1.3500  0.8800
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.7329]
_cell_length_b [8.9751]
_cell_length_c [7.7617]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2NdZnSn2]
_chemical_formula_sum '[Na4 Nd2 Zn2 Sn4]'
_cell_volume [329.7075]
_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  0.1503  0.3320  1.0
  Na  Na1  2  0.5000  0.0811  0.0172  1.0
  Nd  Nd2  2  0.0000  0.4683  0.0128  1.0
  Zn  Zn3  2  0.5000  0.3220  0.6562  1.0
  Sn  Sn4  2  0.0000  0.1879  0.7406  1.0
  Sn  Sn5  2  0.5000  0.3789  0.2869  1.0
]