data_[Sm8Sn2Ge2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [6.2290]
_cell_length_b [6.2290]
_cell_length_c [12.5334]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [Sm4SnGeTe2]
_chemical_formula_sum '[Sm8 Sn2 Ge2 Te4]'
_cell_volume [486.2955]
_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
[
  Sm  Sm0  4  0.0000  0.0000  0.2527  1.0
  Sm  Sm1  4  0.0000  0.5000  0.5117  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  Ge  Ge3  2  0.0000  0.5000  0.7500  1.0
  Te  Te4  2  0.0000  0.0000  0.0000  1.0
  Te  Te5  2  0.0000  0.5000  0.2500  1.0
]