data_[Tb2Ag4Sn6Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.1584]
_cell_length_b [12.4390]
_cell_length_c [7.2883]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0283]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbAg2(SnSe2)3]
_chemical_formula_sum '[Tb2 Ag4 Sn6 Se12]'
_cell_volume [613.5140]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  4  0.0000  0.3290  0.0000  1.0
  Sn  Sn2  4  0.0000  0.1619  0.5000  1.0
  Sn  Sn3  2  0.0000  0.5000  0.5000  1.0
  Se  Se4  8  0.2459  0.8358  0.2391  1.0
  Se  Se5  4  0.2485  0.0000  0.7556  1.0
]