data_[Tb2Sm2Si4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.0179]
_cell_length_b [9.1923]
_cell_length_c [4.7980]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.5578]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [TbSmSi2O7]
_chemical_formula_sum '[Tb2 Sm2 Si4 O14]'
_cell_volume [303.2453]
_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  0.6944  0.5000  1.0
  Sm  Sm1  2  0.0000  0.3069  0.5000  1.0
  Si  Si2  4  0.2161  0.0041  0.9130  1.0
  O  O3  4  0.1231  0.5027  0.7876  1.0
  O  O4  4  0.2280  0.8549  0.7261  1.0
  O  O5  4  0.2415  0.1490  0.7210  1.0
  O  O6  2  0.0000  0.0165  0.0000  1.0
]