data_[Sm6Cu3Te3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.7637]
_cell_length_b [5.7637]
_cell_length_c [14.6310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Sm2CuTeO6]
_chemical_formula_sum '[Sm6 Cu3 Te3 O18]'
_cell_volume [420.9245]
_cell_formula_units_Z [3]
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
[
  Sm  Sm0  3  0.0000  0.0000  0.4649  1
  Sm  Sm1  3  0.0000  0.0000  0.9675  1
  Cu  Cu2  3  0.0000  0.0000  0.1878  1
  Te  Te3  3  0.0000  0.0000  0.6840  1
  O  O4  9  0.0632  0.3502  0.7546  1
  O  O5  9  0.0696  0.7014  0.2568  1
]