data_[Tm12Sn2Sb6Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.3686]
_cell_length_b [12.7379]
_cell_length_c [7.3499]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6649]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tm6SnSb3Se2]
_chemical_formula_sum '[Tm12 Sn2 Sb6 Se4]'
_cell_volume [649.6277]
_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
[
  Tm  Tm0  8  0.2497  0.1684  0.2441  1.0
  Tm  Tm1  4  0.2433  0.5000  0.2408  1.0
  Sn  Sn2  2  0.0000  0.0000  0.0000  1.0
  Sb  Sb3  4  0.0000  0.1652  0.5000  1.0
  Sb  Sb4  2  0.0000  0.5000  0.5000  1.0
  Se  Se5  4  0.0000  0.3334  0.0000  1.0
]