data_[Sm2Re8C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Re  1.9000  1.3500  0.7125
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [3.9598]
_cell_length_b [13.8937]
_cell_length_c [3.9478]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Sm(Re2C)2]
_chemical_formula_sum '[Sm2 Re8 C4]'
_cell_volume [217.1940]
_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
[
  Sm  Sm0  2  0.0000  0.0000  0.0000  1
  Re  Re1  4  0.0000  0.1772  0.5000  1
  Re  Re2  4  0.0000  0.3144  0.0000  1
  C  C3  4  0.0000  0.3692  0.5000  1
]