data_[Sm2Ta2Pb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ta  1.5000  1.4500  0.8200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.1312]
_cell_length_b [5.9199]
_cell_length_c [6.0215]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8215]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SmTa(PbO3)2]
_chemical_formula_sum '[Sm2 Ta2 Pb4 O12]'
_cell_volume [296.4733]
_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
[
  Sm  Sm0  2  0.0000  0.0000  0.0000  1
  Ta  Ta1  2  0.0000  0.5000  0.5000  1
  Pb  Pb2  4  0.2464  0.0000  0.7221  1
  O  O3  8  0.0569  0.2622  0.3291  1
  O  O4  4  0.2278  0.5000  0.8217  1
]