data_[Li4Sm2Ti4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Sm  1.1700  1.8500  1.2290
  Ti  1.5400  1.4000  0.8517
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.8298]
_cell_length_b [3.8298]
_cell_length_c [18.6225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Li2SmTi2O7]
_chemical_formula_sum '[Li4 Sm2 Ti4 O14]'
_cell_volume [273.1385]
_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
[
  Li  Li0  4  0.0000  0.5000  0.2500  1.0
  Sm  Sm1  2  0.0000  0.0000  0.0000  1.0
  Ti  Ti2  4  0.0000  0.0000  0.3855  1.0
  O  O3  8  0.0000  0.5000  0.0923  1.0
  O  O4  4  0.0000  0.0000  0.2883  1.0
  O  O5  2  0.0000  0.0000  0.5000  1.0
]