data_[Mg4Sb2Rh2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sb  2.0500  1.4500  0.8300
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.0757]
_cell_length_b [4.4589]
_cell_length_c [12.2749]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Mg2SbRh]
_chemical_formula_sum '[Mg4 Sb2 Rh2]'
_cell_volume [168.3398]
_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  2  0.0000  0.0000  0.9961  1
  Mg  Mg1  2  0.0000  0.5000  0.8166  1
  Sb  Sb2  2  0.0000  0.5000  0.1838  1
  Rh  Rh3  2  0.0000  0.0000  0.5035  1
]