The structure described by Th2(FeCo)5 crystallizes in the orthorhombic Pmm2 space group. There are two inequivalent Th sites. In the first Th site, Th(1) is bonded in a 18-coordinate geometry to four equivalent Fe(1), four equivalent Fe(2), four equivalent Fe(3), two equivalent Co(1), and four equivalent Co(2) atoms. In the second Th site, Th(2) is bonded in a 18-coordinate geometry to four equivalent Fe(2), four equivalent Fe(3), two equivalent Co(2), four equivalent Co(1), and four equivalent Co(3) atoms. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to four equivalent Th(1), two equivalent Fe(2), two equivalent Fe(3), and four equivalent Co(2) atoms to form distorted FeTh4Fe4Co4 cuboctahedra that share corners with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with four equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, edges with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, edges with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, faces with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, and faces with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra. In the second Fe site, Fe(2) is bonded to two equivalent Th(1), two equivalent Th(2), one Fe(1), two equivalent Fe(3), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeTh4Fe3Co5 cuboctahedra that share corners with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, corners with six equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with six equivalent Fe(3)Th4Fe3Co5 cuboctahedra, edges with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, edges with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with six equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, faces with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, and faces with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Th(1), two equivalent Th(2), one Fe(1), two equivalent Fe(2), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeTh4Fe3Co5 cuboctahedra that share corners with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, corners with six equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with six equivalent Fe(3)Th4Fe3Co5 cuboctahedra, edges with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, edges with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with six equivalent Fe(2)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(2)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, faces with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, and faces with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to one Th(1), two equivalent Th(2), two equivalent Fe(2), two equivalent Fe(3), and two equivalent Co(3) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to one Th(2), two equivalent Th(1), two equivalent Fe(1), two equivalent Fe(2), and two equivalent Fe(3) atoms. In the third Co site, Co(3) is bonded to four equivalent Th(2), two equivalent Fe(2), two equivalent Fe(3), and four equivalent Co(1) atoms to form distorted CoTh4Fe4Co4 cuboctahedra that share corners with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with four equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, edges with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, faces with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, and faces with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra. is represented by the CIF card [CIF]
data_Th2(FeCo)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.984
_cell_length_b   5.028
_cell_length_c   8.660
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   173.474
_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
  Th  Th0  1  0.000  0.000  0.000  1.0
  Th  Th1  1  0.000  0.504  0.500  1.0
  Fe  Fe2  1  0.500  0.503  0.000  1.0
  Fe  Fe3  1  0.500  0.754  0.253  1.0
  Fe  Fe4  1  0.500  0.252  0.745  1.0
  Fe  Fe5  1  0.500  0.252  0.255  1.0
  Fe  Fe6  1  0.500  0.754  0.747  1.0
  Co  Co7  1  0.000  0.994  0.328  1.0
  Co  Co8  1  0.000  0.490  0.836  1.0
  Co  Co9  1  0.000  0.490  0.164  1.0
  Co  Co10  1  0.000  0.994  0.672  1.0
  Co  Co11  1  0.500  0.011  0.500  1.0
[/CIF]
.
The structure described by Th2(FeCo)5 crystallizes in the orthorhombic Pmm2 space group. There are two inequivalent Th sites. In the first Th site, Th(1) is bonded in a 18-coordinate geometry to four equivalent Fe(1), four equivalent Fe(2), four equivalent Fe(3), two equivalent Co(1), and four equivalent Co(2) atoms. In the second Th site, Th(2) is bonded in a 18-coordinate geometry to four equivalent Fe(2), four equivalent Fe(3), two equivalent Co(2), four equivalent Co(1), and four equivalent Co(3) atoms. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to four equivalent Th(1), two equivalent Fe(2), two equivalent Fe(3), and four equivalent Co(2) atoms to form distorted FeTh4Fe4Co4 cuboctahedra that share corners with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with four equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, edges with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, edges with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, faces with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, and faces with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra. In the second Fe site, Fe(2) is bonded to two equivalent Th(1), two equivalent Th(2), one Fe(1), two equivalent Fe(3), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeTh4Fe3Co5 cuboctahedra that share corners with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, corners with six equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with six equivalent Fe(3)Th4Fe3Co5 cuboctahedra, edges with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, edges with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with six equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, faces with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, and faces with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Th(1), two equivalent Th(2), one Fe(1), two equivalent Fe(2), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeTh4Fe3Co5 cuboctahedra that share corners with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, corners with six equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with six equivalent Fe(3)Th4Fe3Co5 cuboctahedra, edges with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, edges with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with six equivalent Fe(2)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(2)Th4Fe3Co5 cuboctahedra, faces with two equivalent Fe(1)Th4Fe4Co4 cuboctahedra, faces with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, and faces with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to one Th(1), two equivalent Th(2), two equivalent Fe(2), two equivalent Fe(3), and two equivalent Co(3) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to one Th(2), two equivalent Th(1), two equivalent Fe(1), two equivalent Fe(2), and two equivalent Fe(3) atoms. In the third Co site, Co(3) is bonded to four equivalent Th(2), two equivalent Fe(2), two equivalent Fe(3), and four equivalent Co(1) atoms to form distorted CoTh4Fe4Co4 cuboctahedra that share corners with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, corners with four equivalent Fe(1)Th4Fe4Co4 cuboctahedra, corners with four equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, edges with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, edges with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra, faces with two equivalent Co(3)Th4Fe4Co4 cuboctahedra, faces with four equivalent Fe(2)Th4Fe3Co5 cuboctahedra, and faces with four equivalent Fe(3)Th4Fe3Co5 cuboctahedra. is represented by the CIF card [CIF]
data_Th2(FeCo)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.984
_cell_length_b   5.028
_cell_length_c   8.660
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   173.474
_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
  Th  Th0  1  0.000  0.000  0.000  1.0
  Th  Th1  1  0.000  0.504  0.500  1.0
  Fe  Fe2  1  0.500  0.503  0.000  1.0
  Fe  Fe3  1  0.500  0.754  0.253  1.0
  Fe  Fe4  1  0.500  0.252  0.745  1.0
  Fe  Fe5  1  0.500  0.252  0.255  1.0
  Fe  Fe6  1  0.500  0.754  0.747  1.0
  Co  Co7  1  0.000  0.994  0.328  1.0
  Co  Co8  1  0.000  0.490  0.836  1.0
  Co  Co9  1  0.000  0.490  0.164  1.0
  Co  Co10  1  0.000  0.994  0.672  1.0
  Co  Co11  1  0.500  0.011  0.500  1.0
[/CIF]
.