data_[Ca2Nd8Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Nd  1.1400  1.8500  1.2765
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [9.9126]
_cell_length_b [9.9126]
_cell_length_c [6.4025]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Ca(NdSn)4]
_chemical_formula_sum '[Ca2 Nd8 Sn8]'
_cell_volume [629.1070]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.0000  1
  Nd  Nd1  8  0.0957  0.3288  0.6256  1
  Sn  Sn2  8  0.1281  0.2743  0.1243  1
]