data_[Ca4Mg4Rh4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Mg  1.3100  1.5000  0.8600
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.2518]
_cell_length_b [4.1864]
_cell_length_c [8.4426]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [CaMgRh]
_chemical_formula_sum '[Ca4 Mg4 Rh4]'
_cell_volume [256.3048]
_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
[
  Ca  Ca0  4  0.0276  0.2500  0.6734  1.0
  Mg  Mg1  4  0.1399  0.2500  0.0586  1.0
  Rh  Rh2  4  0.2277  0.7500  0.8682  1.0
]