data_[Sm4Si1Sn1Te2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.6268]
_cell_length_b [4.3739]
_cell_length_c [7.6981]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9597]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Sm4SiSnTe2]
_chemical_formula_sum '[Sm4 Si1 Sn1 Te2]'
_cell_volume [242.8673]
_cell_formula_units_Z [1]
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  2  0.2321  0.5000  0.2260  1.0
  Sm  Sm1  2  0.2449  0.0000  0.7656  1.0
  Si  Si2  1  0.0000  0.0000  0.0000  1.0
  Sn  Sn3  1  0.5000  0.5000  0.0000  1.0
  Te  Te4  1  0.0000  0.5000  0.5000  1.0
  Te  Te5  1  0.5000  0.0000  0.5000  1.0
]