The crystal structure described by Y3(Ru2Fe)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 12-coordinate geometry to one Ru(4), two equivalent Ru(1), two equivalent Ru(5), three equivalent Ru(2), one Fe(1), one Fe(3), and two equivalent Fe(2) atoms. In the second Y site, Y(2) is bonded in a 12-coordinate geometry to one Ru(1), one Ru(5), two equivalent Ru(4), three equivalent Ru(2), one Fe(2), two equivalent Fe(1), and two equivalent Fe(3) atoms. In the third Y site, Y(3) is bonded in a 12-coordinate geometry to three equivalent Ru(1), three equivalent Ru(3), three equivalent Ru(5), and three equivalent Fe(2) atoms. There are five inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one Y(2), two equivalent Y(1), three equivalent Y(3), one Ru(2), one Ru(3), two equivalent Ru(5), and two equivalent Fe(2) atoms to form distorted RuY6Fe2Ru4 cuboctahedra that share  a cornercorner with one Fe(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with five equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, edges with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra,  a faceface with one Ru(4)Y6Fe4Ru2 cuboctahedra,  a faceface with one Fe(1)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with five equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, and faces with five equivalent Fe(2)Y6Ru6 cuboctahedra. In the second Ru site, Ru(2) is bonded to three equivalent Y(1), three equivalent Y(2), one Ru(1), one Ru(4), one Ru(5), one Fe(1), one Fe(2), and one Fe(3) atom to form distorted RuY6Fe3Ru3 cuboctahedra that share corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, edges with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with three equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, faces with three equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, and faces with three equivalent Fe(2)Y6Ru6 cuboctahedra. In the third Ru site, Ru(3) is bonded to six equivalent Y(3), two equivalent Ru(1), two equivalent Ru(5), and two equivalent Fe(2) atoms to form distorted RuY6Fe2Ru4 cuboctahedra that share corners with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Fe(2)Y6Ru6 cuboctahedra, corners with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, edges with six equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with six equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with six equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Fe(2)Y6Ru6 cuboctahedra. In the fourth Ru site, Ru(4) is bonded to two equivalent Y(1), four equivalent Y(2), two equivalent Ru(2), two equivalent Fe(1), and two equivalent Fe(3) atoms to form distorted RuY6Fe4Ru2 cuboctahedra that share corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with four equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with four equivalent Fe(2)Y6Ru6 cuboctahedra, edges with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, edges with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Fe(2)Y6Ru6 cuboctahedra, faces with four equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, faces with four equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra. In the fifth Ru site, Ru(5) is bonded to one Y(2), two equivalent Y(1), three equivalent Y(3), one Ru(2), one Ru(3), two equivalent Ru(1), and two equivalent Fe(2) atoms to form distorted RuY6Fe2Ru4 cuboctahedra that share  a cornercorner with one Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with five equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, edges with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, edges with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra,  a faceface with one Fe(1)Y6Fe2Ru4 cuboctahedra,  a faceface with one Fe(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with five equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, and faces with five equivalent Fe(2)Y6Ru6 cuboctahedra. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Y(1), four equivalent Y(2), two equivalent Ru(2), two equivalent Ru(4), and two equivalent Fe(3) atoms to form distorted FeY6Fe2Ru4 cuboctahedra that share corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with four equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, edges with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Fe(2)Y6Ru6 cuboctahedra, faces with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with four equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, faces with four equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra. In the second Fe site, Fe(2) is bonded to one Y(2), two equivalent Y(1), three equivalent Y(3), one Ru(2), one Ru(3), two equivalent Ru(1), and two equivalent Ru(5) atoms to form distorted FeY6Ru6 cuboctahedra that share  a cornercorner with one Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with five equivalent Fe(2)Y6Ru6 cuboctahedra, edges with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Fe(2)Y6Ru6 cuboctahedra,  a faceface with one Ru(4)Y6Fe4Ru2 cuboctahedra,  a faceface with one Fe(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with five equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, and faces with five equivalent Ru(5)Y6Fe2Ru4 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Y(1), four equivalent Y(2), two equivalent Ru(2), two equivalent Ru(4), and two equivalent Fe(1) atoms to form FeY6Fe2Ru4 cuboctahedra that share corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with four equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Fe(2)Y6Ru6 cuboctahedra, edges with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Fe(2)Y6Ru6 cuboctahedra, faces with four equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, faces with four equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra. is represented by the CIF file [CIF]
data_Y3(FeRu2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.242
_cell_length_b   5.201
_cell_length_c   13.103
_cell_angle_alpha   90.749
_cell_angle_beta   88.811
_cell_angle_gamma   117.918
_symmetry_Int_Tables_number   1
_cell_volume   315.554
_cell_formula_units_Z   2
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
  Y  Y0  1  0.332  0.666  0.916  1.0
  Y  Y1  1  0.997  0.997  0.251  1.0
  Y  Y2  1  0.666  0.334  0.584  1.0
  Y  Y3  1  0.334  0.666  0.666  1.0
  Y  Y4  1  0.003  0.003  0.999  1.0
  Y  Y5  1  0.668  0.334  0.334  1.0
  Fe  Fe6  1  0.500  0.500  0.125  1.0
  Fe  Fe7  1  0.168  0.836  0.459  1.0
  Fe  Fe8  1  0.832  0.164  0.791  1.0
  Fe  Fe9  1  0.500  0.000  0.125  1.0
  Ru  Ru10  1  0.170  0.338  0.456  1.0
  Ru  Ru11  1  0.830  0.662  0.794  1.0
  Ru  Ru12  1  0.336  0.671  0.288  1.0
  Ru  Ru13  1  0.000  0.000  0.625  1.0
  Ru  Ru14  1  0.664  0.329  0.962  1.0
  Ru  Ru15  1  0.000  0.500  0.125  1.0
  Ru  Ru16  1  0.668  0.835  0.458  1.0
  Ru  Ru17  1  0.332  0.165  0.792  1.0
[/CIF]
.
The crystal structure described by Y3(Ru2Fe)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 12-coordinate geometry to one Ru(4), two equivalent Ru(1), two equivalent Ru(5), three equivalent Ru(2), one Fe(1), one Fe(3), and two equivalent Fe(2) atoms. In the second Y site, Y(2) is bonded in a 12-coordinate geometry to one Ru(1), one Ru(5), two equivalent Ru(4), three equivalent Ru(2), one Fe(2), two equivalent Fe(1), and two equivalent Fe(3) atoms. In the third Y site, Y(3) is bonded in a 12-coordinate geometry to three equivalent Ru(1), three equivalent Ru(3), three equivalent Ru(5), and three equivalent Fe(2) atoms. There are five inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one Y(2), two equivalent Y(1), three equivalent Y(3), one Ru(2), one Ru(3), two equivalent Ru(5), and two equivalent Fe(2) atoms to form distorted RuY6Fe2Ru4 cuboctahedra that share  a cornercorner with one Fe(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with five equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, edges with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra,  a faceface with one Ru(4)Y6Fe4Ru2 cuboctahedra,  a faceface with one Fe(1)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with five equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, and faces with five equivalent Fe(2)Y6Ru6 cuboctahedra. In the second Ru site, Ru(2) is bonded to three equivalent Y(1), three equivalent Y(2), one Ru(1), one Ru(4), one Ru(5), one Fe(1), one Fe(2), and one Fe(3) atom to form distorted RuY6Fe3Ru3 cuboctahedra that share corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, edges with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with three equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, faces with three equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, and faces with three equivalent Fe(2)Y6Ru6 cuboctahedra. In the third Ru site, Ru(3) is bonded to six equivalent Y(3), two equivalent Ru(1), two equivalent Ru(5), and two equivalent Fe(2) atoms to form distorted RuY6Fe2Ru4 cuboctahedra that share corners with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Fe(2)Y6Ru6 cuboctahedra, corners with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, edges with six equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with six equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with six equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Fe(2)Y6Ru6 cuboctahedra. In the fourth Ru site, Ru(4) is bonded to two equivalent Y(1), four equivalent Y(2), two equivalent Ru(2), two equivalent Fe(1), and two equivalent Fe(3) atoms to form distorted RuY6Fe4Ru2 cuboctahedra that share corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with four equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with four equivalent Fe(2)Y6Ru6 cuboctahedra, edges with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, edges with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Fe(2)Y6Ru6 cuboctahedra, faces with four equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, faces with four equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra. In the fifth Ru site, Ru(5) is bonded to one Y(2), two equivalent Y(1), three equivalent Y(3), one Ru(2), one Ru(3), two equivalent Ru(1), and two equivalent Fe(2) atoms to form distorted RuY6Fe2Ru4 cuboctahedra that share  a cornercorner with one Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with five equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, edges with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, edges with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra,  a faceface with one Fe(1)Y6Fe2Ru4 cuboctahedra,  a faceface with one Fe(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with five equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, and faces with five equivalent Fe(2)Y6Ru6 cuboctahedra. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Y(1), four equivalent Y(2), two equivalent Ru(2), two equivalent Ru(4), and two equivalent Fe(3) atoms to form distorted FeY6Fe2Ru4 cuboctahedra that share corners with two equivalent Fe(2)Y6Ru6 cuboctahedra, corners with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with four equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, edges with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Fe(2)Y6Ru6 cuboctahedra, faces with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with four equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, faces with four equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra. In the second Fe site, Fe(2) is bonded to one Y(2), two equivalent Y(1), three equivalent Y(3), one Ru(2), one Ru(3), two equivalent Ru(1), and two equivalent Ru(5) atoms to form distorted FeY6Ru6 cuboctahedra that share  a cornercorner with one Fe(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with two equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with two equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, corners with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with five equivalent Fe(2)Y6Ru6 cuboctahedra, edges with two equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Fe(2)Y6Ru6 cuboctahedra,  a faceface with one Ru(4)Y6Fe4Ru2 cuboctahedra,  a faceface with one Fe(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(3)Y6Fe2Ru4 cuboctahedra, faces with three equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, faces with five equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, and faces with five equivalent Ru(5)Y6Fe2Ru4 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Y(1), four equivalent Y(2), two equivalent Ru(2), two equivalent Ru(4), and two equivalent Fe(1) atoms to form FeY6Fe2Ru4 cuboctahedra that share corners with two equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Ru(2)Y6Fe3Ru3 cuboctahedra, corners with four equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, corners with four equivalent Fe(2)Y6Ru6 cuboctahedra, edges with two equivalent Fe(3)Y6Fe2Ru4 cuboctahedra, edges with four equivalent Ru(1)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Ru(5)Y6Fe2Ru4 cuboctahedra, faces with two equivalent Fe(2)Y6Ru6 cuboctahedra, faces with four equivalent Ru(4)Y6Fe4Ru2 cuboctahedra, faces with four equivalent Fe(1)Y6Fe2Ru4 cuboctahedra, and faces with six equivalent Ru(2)Y6Fe3Ru3 cuboctahedra. is represented by the CIF file [CIF]
data_Y3(FeRu2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.242
_cell_length_b   5.201
_cell_length_c   13.103
_cell_angle_alpha   90.749
_cell_angle_beta   88.811
_cell_angle_gamma   117.918
_symmetry_Int_Tables_number   1
_cell_volume   315.554
_cell_formula_units_Z   2
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
  Y  Y0  1  0.332  0.666  0.916  1.0
  Y  Y1  1  0.997  0.997  0.251  1.0
  Y  Y2  1  0.666  0.334  0.584  1.0
  Y  Y3  1  0.334  0.666  0.666  1.0
  Y  Y4  1  0.003  0.003  0.999  1.0
  Y  Y5  1  0.668  0.334  0.334  1.0
  Fe  Fe6  1  0.500  0.500  0.125  1.0
  Fe  Fe7  1  0.168  0.836  0.459  1.0
  Fe  Fe8  1  0.832  0.164  0.791  1.0
  Fe  Fe9  1  0.500  0.000  0.125  1.0
  Ru  Ru10  1  0.170  0.338  0.456  1.0
  Ru  Ru11  1  0.830  0.662  0.794  1.0
  Ru  Ru12  1  0.336  0.671  0.288  1.0
  Ru  Ru13  1  0.000  0.000  0.625  1.0
  Ru  Ru14  1  0.664  0.329  0.962  1.0
  Ru  Ru15  1  0.000  0.500  0.125  1.0
  Ru  Ru16  1  0.668  0.835  0.458  1.0
  Ru  Ru17  1  0.332  0.165  0.792  1.0
[/CIF]
.