data_[Sm8Mg4Co8]
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/c]
_cell_length_a [10.0260]
_cell_length_b [5.5490]
_cell_length_c [7.8160]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.8794]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sm2MgCo2]
_chemical_formula_sum '[Sm8 Mg4 Co8]'
_cell_volume [420.2563]
_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  8  0.1469  0.3527  0.1462  1.0
  Mg  Mg1  4  0.0000  0.1269  0.7500  1.0
  Co  Co2  8  0.1527  0.1573  0.5081  1.0
]