data_[Sm3Ni1C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ni  1.9100  1.3500  0.7400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.8131]
_cell_length_b [4.0479]
_cell_length_c [8.1195]
_cell_angle_alpha [95.5944]
_cell_angle_beta [91.8984]
_cell_angle_gamma [94.2136]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Sm3NiC4]
_chemical_formula_sum '[Sm3 Ni1 C4]'
_cell_volume [124.2884]
_cell_formula_units_Z [1]
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  0.2811  0.7672  0.6465  1.0
  Sm  Sm1  1  0.5000  0.5000  0.0000  1.0
  Ni  Ni2  1  0.0000  0.0000  0.0000  1.0
  C  C3  2  0.0997  0.8260  0.1950  1.0
  C  C4  2  0.2282  0.7259  0.3381  1.0
]