data_[Sm3U3N9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  U  1.3800  1.7500  0.9913
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [5.9962]
_cell_length_b [5.9962]
_cell_length_c [7.6059]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [SmUN3]
_chemical_formula_sum '[Sm3 U3 N9]'
_cell_volume [236.8270]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.9939  1
  U  U1  3  0.0000  0.0000  0.5586  1
  N  N2  9  0.1784  0.3568  0.4182  1
]