data_[Cs2Tb2Sn2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.2945]
_cell_length_b [4.2311]
_cell_length_c [11.7688]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.1924]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsTbSnSe3]
_chemical_formula_sum '[Cs2 Tb2 Sn2 Se6]'
_cell_volume [434.3734]
_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
[
  Cs  Cs0  2  0.2242  0.7500  0.2619  1
  Tb  Tb1  2  0.3668  0.2500  0.8516  1
  Sn  Sn2  2  0.1418  0.7500  0.5668  1
  Se  Se3  2  0.1310  0.7500  0.7905  1
  Se  Se4  2  0.3463  0.2500  0.5959  1
  Se  Se5  2  0.4100  0.2500  0.1029  1
]