data_[Mg16Sn4Rh2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.8588]
_cell_length_b [4.8621]
_cell_length_c [6.8354]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.8020]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg8Sn2Rh]
_chemical_formula_sum '[Mg16 Sn4 Rh2]'
_cell_volume [478.4384]
_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
[
  Mg  Mg0  4  0.0081  0.0000  0.7826  1.0
  Mg  Mg1  4  0.1191  0.5000  0.3996  1.0
  Mg  Mg2  4  0.1411  0.5000  0.8956  1.0
  Mg  Mg3  4  0.1788  0.0000  0.2062  1.0
  Sn  Sn4  4  0.1808  0.0000  0.6779  1.0
  Rh  Rh5  2  0.0000  0.5000  0.0000  1.0
]