The structure described by USn crystallizes in the hexagonal P-6m2 space group. U(1) is bonded to six equivalent U(1) and six equivalent Sn(1) atoms to form UU6Sn6 cuboctahedra that share corners with eighteen equivalent U(1)U6Sn6 cuboctahedra, edges with six equivalent U(1)U6Sn6 cuboctahedra, edges with twelve equivalent Sn(1)U6Sn6 cuboctahedra, faces with eight equivalent U(1)U6Sn6 cuboctahedra, and faces with twelve equivalent Sn(1)U6Sn6 cuboctahedra. Sn(1) is bonded to six equivalent U(1) and six equivalent Sn(1) atoms to form SnU6Sn6 cuboctahedra that share corners with eighteen equivalent Sn(1)U6Sn6 cuboctahedra, edges with six equivalent Sn(1)U6Sn6 cuboctahedra, edges with twelve equivalent U(1)U6Sn6 cuboctahedra, faces with eight equivalent Sn(1)U6Sn6 cuboctahedra, and faces with twelve equivalent U(1)U6Sn6 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_USn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.111
_cell_length_b   3.111
_cell_length_c   5.481
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   45.940
_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
  U  U0  1  0.000  0.000  0.000  1.0
  Sn  Sn1  1  0.333  0.667  0.500  1.0
[/CIF]
.
The structure described by USn crystallizes in the hexagonal P-6m2 space group. U(1) is bonded to six equivalent U(1) and six equivalent Sn(1) atoms to form UU6Sn6 cuboctahedra that share corners with eighteen equivalent U(1)U6Sn6 cuboctahedra, edges with six equivalent U(1)U6Sn6 cuboctahedra, edges with twelve equivalent Sn(1)U6Sn6 cuboctahedra, faces with eight equivalent U(1)U6Sn6 cuboctahedra, and faces with twelve equivalent Sn(1)U6Sn6 cuboctahedra. Sn(1) is bonded to six equivalent U(1) and six equivalent Sn(1) atoms to form SnU6Sn6 cuboctahedra that share corners with eighteen equivalent Sn(1)U6Sn6 cuboctahedra, edges with six equivalent Sn(1)U6Sn6 cuboctahedra, edges with twelve equivalent U(1)U6Sn6 cuboctahedra, faces with eight equivalent Sn(1)U6Sn6 cuboctahedra, and faces with twelve equivalent U(1)U6Sn6 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_USn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.111
_cell_length_b   3.111
_cell_length_c   5.481
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   45.940
_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
  U  U0  1  0.000  0.000  0.000  1.0
  Sn  Sn1  1  0.333  0.667  0.500  1.0
[/CIF]
.