data_[Mg4Si8Rh4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Si  1.9000  1.1000  0.5400
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.7857]
_cell_length_b [9.0087]
_cell_length_c [7.2154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [MgSi2Rh]
_chemical_formula_sum '[Mg4 Si8 Rh4]'
_cell_volume [246.0783]
_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
[
  Mg  Mg0  4  0.0000  0.0707  0.7500  1.0
  Si  Si1  8  0.0000  0.3582  0.5427  1.0
  Rh  Rh2  4  0.0000  0.2132  0.2500  1.0
]