data_[Ca6Si3Sb3Rh18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Si  1.9000  1.1000  0.5400
  Sb  2.0500  1.4500  0.8300
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.5746]
_cell_length_b [6.5746]
_cell_length_c [15.7462]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ca2SiSbRh6]
_chemical_formula_sum '[Ca6 Si3 Sb3 Rh18]'
_cell_volume [589.4454]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.3041  1
  Si  Si1  3  -0.0000  0.0000  0.5000  1
  Sb  Sb2  3  0.0000  0.0000  0.0000  1
  Rh  Rh3  18  0.0471  0.7856  0.1324  1
]