data_[Sm4Mg2Fe2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Mg  1.3100  1.5000  0.8600
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.3474]
_cell_length_b [5.6754]
_cell_length_c [9.2532]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1168]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Sm2MgFeO6]
_chemical_formula_sum '[Sm4 Mg2 Fe2 O12]'
_cell_volume [229.7058]
_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  0.2332  0.0666  0.2511  1
  Mg  Mg1  2  0.0000  0.0000  0.5000  1
  Fe  Fe2  2  0.5000  0.0000  0.0000  1
  O  O3  4  0.1661  0.1887  0.9548  1
  O  O4  4  0.2474  0.6980  0.9475  1
  O  O5  4  0.3550  0.0252  0.7615  1
]