data_[Rh8C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rh  2.2800  1.3500  0.7450
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/m]
_cell_length_a [8.2016]
_cell_length_b [8.2016]
_cell_length_c [3.3850]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [83]
_chemical_formula_structural [RhC]
_chemical_formula_sum '[Rh8 C8]'
_cell_volume [227.6949]
_cell_formula_units_Z [8]
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
[
  Rh  Rh0  4  0.1038  0.3210  0.0000  1
  Rh  Rh1  4  0.2048  0.6433  0.5000  1
  C  C2  4  0.1231  0.7494  0.0000  1
  C  C3  4  0.2203  0.4077  0.5000  1
]