data_[Sm8Ho12Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.8381]
_cell_length_b [11.5223]
_cell_length_c [6.7680]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.2090]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sm2Ho3Mg]
_chemical_formula_sum '[Sm8 Ho12 Mg4]'
_cell_volume [762.7079]
_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  0.1630  0.2331  0.1939  1
  Ho  Ho1  8  0.1908  0.4803  0.4854  1
  Ho  Ho2  4  0.0000  0.0496  0.7500  1
  Mg  Mg3  4  0.0000  0.3213  0.7500  1
]