data_[Sm4Fe2Sn2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Fe  1.8300  1.4000  0.8525
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.0633]
_cell_length_b [5.6847]
_cell_length_c [5.5756]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.4496]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2FeSnO6]
_chemical_formula_sum '[Sm4 Fe2 Sn2 O12]'
_cell_volume [266.1355]
_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  4  0.2491  0.0000  0.2808  1.0
  Fe  Fe1  2  0.0000  0.0000  0.5000  1.0
  Sn  Sn2  2  0.0000  0.5000  0.0000  1.0
  O  O3  8  0.0740  0.2517  0.3236  1.0
  O  O4  4  0.2365  0.5000  0.1118  1.0
]