data_[Nd8Sm8Te20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [16.0726]
_cell_length_b [8.3372]
_cell_length_c [8.3605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Nd2Sm2Te5]
_chemical_formula_sum '[Nd8 Sm8 Te20]'
_cell_volume [1120.3029]
_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  8  0.1965  0.0000  0.0000  1
  Sm  Sm1  8  0.0000  0.1465  0.6511  1
  Te  Te2  16  0.1389  0.1585  0.3448  1
  Te  Te3  4  0.0000  0.0000  0.0000  1
]