The structure described by ThAc crystallizes in the hexagonal P-6m2 space group. Th(1) is bonded to six equivalent Th(1) and six equivalent Ac(1) atoms to form ThAc6Th6 cuboctahedra that share corners with eighteen equivalent Th(1)Ac6Th6 cuboctahedra, edges with six equivalent Th(1)Ac6Th6 cuboctahedra, edges with twelve equivalent Ac(1)Ac6Th6 cuboctahedra, faces with eight equivalent Th(1)Ac6Th6 cuboctahedra, and faces with twelve equivalent Ac(1)Ac6Th6 cuboctahedra. Ac(1) is bonded to six equivalent Th(1) and six equivalent Ac(1) atoms to form AcAc6Th6 cuboctahedra that share corners with eighteen equivalent Ac(1)Ac6Th6 cuboctahedra, edges with six equivalent Ac(1)Ac6Th6 cuboctahedra, edges with twelve equivalent Th(1)Ac6Th6 cuboctahedra, faces with eight equivalent Ac(1)Ac6Th6 cuboctahedra, and faces with twelve equivalent Th(1)Ac6Th6 cuboctahedra. is represented by the CIF card [CIF]
data_AcTh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.742
_cell_length_b   3.742
_cell_length_c   6.190
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   75.068
_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
  Ac  Ac0  1  0.667  0.333  0.750  1.0
  Th  Th1  1  0.333  0.667  0.250  1.0
[/CIF]
.
The structure described by ThAc crystallizes in the hexagonal P-6m2 space group. Th(1) is bonded to six equivalent Th(1) and six equivalent Ac(1) atoms to form ThAc6Th6 cuboctahedra that share corners with eighteen equivalent Th(1)Ac6Th6 cuboctahedra, edges with six equivalent Th(1)Ac6Th6 cuboctahedra, edges with twelve equivalent Ac(1)Ac6Th6 cuboctahedra, faces with eight equivalent Th(1)Ac6Th6 cuboctahedra, and faces with twelve equivalent Ac(1)Ac6Th6 cuboctahedra. Ac(1) is bonded to six equivalent Th(1) and six equivalent Ac(1) atoms to form AcAc6Th6 cuboctahedra that share corners with eighteen equivalent Ac(1)Ac6Th6 cuboctahedra, edges with six equivalent Ac(1)Ac6Th6 cuboctahedra, edges with twelve equivalent Th(1)Ac6Th6 cuboctahedra, faces with eight equivalent Ac(1)Ac6Th6 cuboctahedra, and faces with twelve equivalent Th(1)Ac6Th6 cuboctahedra. is represented by the CIF card [CIF]
data_AcTh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.742
_cell_length_b   3.742
_cell_length_c   6.190
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   75.068
_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
  Ac  Ac0  1  0.667  0.333  0.750  1.0
  Th  Th1  1  0.333  0.667  0.250  1.0
[/CIF]
.