data_[Pr4Nd8Ag4Te20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.4365]
_cell_length_b [19.1576]
_cell_length_c [13.4419]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PrNd2AgTe5]
_chemical_formula_sum '[Pr4 Nd8 Ag4 Te20]'
_cell_volume [1142.4666]
_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
[
  Pr  Pr0  4  0.0000  0.1936  0.0078  1.0
  Nd  Nd1  4  0.0000  0.1107  0.6850  1.0
  Nd  Nd2  4  0.0000  0.1240  0.3054  1.0
  Ag  Ag3  4  0.0000  0.4337  0.4607  1.0
  Te  Te4  4  0.0000  0.0408  0.0774  1.0
  Te  Te5  4  0.0000  0.2876  0.6746  1.0
  Te  Te6  4  0.0000  0.3104  0.3357  1.0
  Te  Te7  4  0.0000  0.3614  0.9988  1.0
  Te  Te8  4  0.0000  0.4987  0.7785  1.0
]