data_[Nd4Sn4Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [I4_1md]
_cell_length_a [4.1999]
_cell_length_b [4.1999]
_cell_length_c [18.1810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [109]
_chemical_formula_structural [NdSnGe]
_chemical_formula_sum '[Nd4 Sn4 Ge4]'
_cell_volume [320.7034]
_cell_formula_units_Z [4]
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
[
  Nd  Nd0  4  0.0000  0.0000  0.7592  1
  Sn  Sn1  4  0.0000  0.0000  0.1673  1
  Ge  Ge2  4  0.0000  0.0000  0.3205  1
]