data_[Sm20Ge8Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [15.5674]
_cell_length_b [8.0148]
_cell_length_c [8.0853]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Sm5(GeTe)2]
_chemical_formula_sum '[Sm20 Ge8 Te8]'
_cell_volume [1008.8013]
_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
[
  Sm  Sm0  16  0.1264  0.1638  0.3365  1.0
  Sm  Sm1  4  0.0000  0.0000  0.0000  1.0
  Ge  Ge2  8  0.0000  0.1388  0.6367  1.0
  Te  Te3  8  0.2038  0.0000  0.0000  1.0
]