data_[Sm8Mg4Co4]
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
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.5069]
_cell_length_b [3.7894]
_cell_length_c [7.9773]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.9111]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2MgCo]
_chemical_formula_sum '[Sm8 Mg4 Co4]'
_cell_volume [406.8004]
_cell_formula_units_Z [4]
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  0.0362  0.0000  0.2953  1.0
  Sm  Sm1  4  0.2318  0.0000  0.6814  1.0
  Mg  Mg2  4  0.1215  0.5000  0.9549  1.0
  Co  Co3  4  0.0957  0.5000  0.5713  1.0
]