data_[Tm4Ag6Sb2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Ag  1.9300  1.6000  1.0867
  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 [17.6643]
_cell_length_b [4.1261]
_cell_length_c [8.0976]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.2229]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tm2Ag3SbSe6]
_chemical_formula_sum '[Tm4 Ag6 Sb2 Se12]'
_cell_volume [578.9083]
_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  4  0.1676  0.0000  0.3277  1.0
  Ag  Ag1  4  0.1693  0.0000  0.8212  1.0
  Ag  Ag2  2  0.0000  0.5000  0.5000  1.0
  Sb  Sb3  2  0.0000  0.5000  0.0000  1.0
  Se  Se4  4  0.0017  0.0000  0.2530  1.0
  Se  Se5  4  0.1663  0.5000  0.0828  1.0
  Se  Se6  4  0.1681  0.5000  0.5728  1.0
]