data_[Sm6Co18P18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Co  1.8800  1.3500  0.7683
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.3646]
_cell_length_b [6.3646]
_cell_length_c [19.6662]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sm(CoP)3]
_chemical_formula_sum '[Sm6 Co18 P18]'
_cell_volume [689.9062]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.3331  1
  Co  Co1  18  0.0050  0.3469  0.8751  1
  P  P2  18  0.0041  0.3171  0.0966  1
]