data_[Rb4Sm2Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sm  1.1700  1.8500  1.2290
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.2268]
_cell_length_b [6.3435]
_cell_length_c [6.0783]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.6148]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2SmTe6]
_chemical_formula_sum '[Rb4 Sm2 Te12]'
_cell_volume [771.0988]
_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
[
  Rb  Rb0  4  0.1835  0.5000  0.7122  1
  Sm  Sm1  2  0.0000  0.0000  0.0000  1
  Te  Te2  8  0.1358  0.2260  0.1887  1
  Te  Te3  4  0.0000  0.2315  0.5000  1
]