data_[Sm4Ag6Sn2Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.2855]
_cell_length_b [4.3619]
_cell_length_c [8.4097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3207]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Ag3SnTe6]
_chemical_formula_sum '[Sm4 Ag6 Sn2 Te12]'
_cell_volume [729.6400]
_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  0.1761  0.0000  0.3118  1.0
  Ag  Ag1  4  0.2041  0.0000  0.8044  1.0
  Ag  Ag2  2  0.0000  0.5000  0.5000  1.0
  Sn  Sn3  2  0.0000  0.5000  0.0000  1.0
  Te  Te4  4  0.0139  0.0000  0.2748  1.0
  Te  Te5  4  0.1585  0.5000  0.0397  1.0
  Te  Te6  4  0.1654  0.5000  0.5771  1.0
]