data_[Mg2Rh6C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Rh  2.2800  1.3500  0.7450
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [2.9539]
_cell_length_b [5.5255]
_cell_length_c [8.2605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [MgRh3C]
_chemical_formula_sum '[Mg2 Rh6 C2]'
_cell_volume [134.8246]
_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  0.5000  0.0000  0.9652  1
  Rh  Rh1  4  0.0000  0.2488  0.7242  1
  Rh  Rh2  2  0.5000  0.0000  0.4912  1
  C  C3  2  0.5000  0.0000  0.2597  1
]