The compound described by Yb2Mn2Co15 crystallizes in the orthorhombic Cmcm space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 18-coordinate geometry to two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), four equivalent Co(7), and eight equivalent Co(6) atoms. In the second Yb site, Yb(2) is bonded in a 20-coordinate geometry to two equivalent Mn(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), two equivalent Co(7), four equivalent Co(1), and four equivalent Co(6) atoms. Mn(1) is bonded in a 14-coordinate geometry to one Yb(2), one Mn(1), one Co(2), one Co(7), two equivalent Co(1), two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), and two equivalent Co(6) atoms. There are seven inequivalent Co sites. In the first Co site, Co(6) is bonded to one Yb(2), two equivalent Yb(1), one Mn(1), one Co(1), one Co(2), one Co(3), one Co(5), one Co(6), one Co(7), and two equivalent Co(4) atoms to form distorted CoYb3MnCo8 cuboctahedra that share  a cornercorner with one Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with seven equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(2)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(3)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(5)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with three equivalent Co(6)Yb3MnCo8 cuboctahedra,  a faceface with one Co(1)Yb2Mn2Co8 cuboctahedra,  a faceface with one Co(2)Yb2Mn2Co8 cuboctahedra, faces with three equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with three equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with three equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, and faces with five equivalent Co(6)Yb3MnCo8 cuboctahedra. In the second Co site, Co(7) is bonded to one Yb(2), two equivalent Yb(1), one Mn(1), two equivalent Co(1), two equivalent Co(3), two equivalent Co(5), and two equivalent Co(6) atoms to form distorted CoYb3MnCo8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with six equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(2)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(7)Yb3MnCo8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, edges with four equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, and faces with six equivalent Co(6)Yb3MnCo8 cuboctahedra. In the third Co site, Co(1) is bonded to two equivalent Yb(2), two equivalent Mn(1), two equivalent Co(3), two equivalent Co(5), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with eight equivalent Co(6)Yb3MnCo8 cuboctahedra, edges with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with four equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, and faces with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra. In the fourth Co site, Co(2) is bonded to two equivalent Yb(2), two equivalent Mn(1), four equivalent Co(4), and four equivalent Co(6) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(6)Yb3MnCo8 cuboctahedra, corners with six equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, edges with four equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, and faces with four equivalent Co(6)Yb3MnCo8 cuboctahedra. In the fifth Co site, Co(3) is bonded to one Yb(1), one Yb(2), two equivalent Mn(1), one Co(3), one Co(5), two equivalent Co(1), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with three equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with five equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with six equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(4)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(6)Yb3MnCo8 cuboctahedra,  a faceface with one Co(3)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(7)Yb3MnCo8 cuboctahedra, and faces with six equivalent Co(6)Yb3MnCo8 cuboctahedra. In the sixth Co site, Co(4) is bonded to one Yb(1), one Yb(2), two equivalent Mn(1), one Co(4), one Co(5), two equivalent Co(2), and four equivalent Co(6) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with three equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(6)Yb3MnCo8 cuboctahedra, corners with four equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with five equivalent Co(5)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(3)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with three equivalent Co(4)Yb2Mn2Co8 cuboctahedra, and faces with eight equivalent Co(6)Yb3MnCo8 cuboctahedra. In the seventh Co site, Co(5) is bonded to one Yb(1), one Yb(2), two equivalent Mn(1), one Co(3), one Co(4), two equivalent Co(1), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with five equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with five equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with six equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(5)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(6)Yb3MnCo8 cuboctahedra,  a faceface with one Co(5)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(7)Yb3MnCo8 cuboctahedra, and faces with six equivalent Co(6)Yb3MnCo8 cuboctahedra. is represented by the CIF file [CIF]
data_Yb2Mn2Co15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.150
_cell_length_b   8.277
_cell_length_c   8.277
_cell_angle_alpha   119.919
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   483.992
_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
  Yb  Yb0  1  0.750  0.000  1.000  1.0
  Yb  Yb1  1  0.250  1.000  0.000  1.0
  Yb  Yb2  1  0.250  0.667  0.333  1.0
  Yb  Yb3  1  0.750  0.333  0.667  1.0
  Mn  Mn4  1  0.594  0.667  0.333  1.0
  Mn  Mn5  1  0.406  0.333  0.667  1.0
  Mn  Mn6  1  0.094  0.333  0.667  1.0
  Mn  Mn7  1  0.906  0.667  0.333  1.0
  Co  Co8  1  0.500  0.500  0.000  1.0
  Co  Co9  1  0.500  0.500  0.500  1.0
  Co  Co10  1  0.500  0.000  0.500  1.0
  Co  Co11  1  0.000  0.500  0.000  1.0
  Co  Co12  1  0.000  0.500  0.500  1.0
  Co  Co13  1  0.000  0.000  0.500  1.0
  Co  Co14  1  0.750  0.672  0.046  1.0
  Co  Co15  1  0.750  0.374  0.328  1.0
  Co  Co16  1  0.750  0.954  0.626  1.0
  Co  Co17  1  0.750  0.374  0.046  1.0
  Co  Co18  1  0.750  0.954  0.328  1.0
  Co  Co19  1  0.750  0.672  0.626  1.0
  Co  Co20  1  0.250  0.328  0.954  1.0
  Co  Co21  1  0.250  0.626  0.672  1.0
  Co  Co22  1  0.250  0.046  0.374  1.0
  Co  Co23  1  0.250  0.626  0.954  1.0
  Co  Co24  1  0.250  0.046  0.672  1.0
  Co  Co25  1  0.250  0.328  0.374  1.0
  Co  Co26  1  0.478  0.837  0.674  1.0
  Co  Co27  1  0.478  0.837  0.163  1.0
  Co  Co28  1  0.478  0.326  0.163  1.0
  Co  Co29  1  0.522  0.163  0.326  1.0
  Co  Co30  1  0.522  0.163  0.837  1.0
  Co  Co31  1  0.522  0.674  0.837  1.0
  Co  Co32  1  0.978  0.163  0.326  1.0
  Co  Co33  1  0.978  0.163  0.837  1.0
  Co  Co34  1  0.978  0.674  0.837  1.0
  Co  Co35  1  0.022  0.837  0.674  1.0
  Co  Co36  1  0.022  0.837  0.163  1.0
  Co  Co37  1  0.022  0.326  0.163  1.0
[/CIF]
.
The compound described by Yb2Mn2Co15 crystallizes in the orthorhombic Cmcm space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 18-coordinate geometry to two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), four equivalent Co(7), and eight equivalent Co(6) atoms. In the second Yb site, Yb(2) is bonded in a 20-coordinate geometry to two equivalent Mn(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), two equivalent Co(7), four equivalent Co(1), and four equivalent Co(6) atoms. Mn(1) is bonded in a 14-coordinate geometry to one Yb(2), one Mn(1), one Co(2), one Co(7), two equivalent Co(1), two equivalent Co(3), two equivalent Co(4), two equivalent Co(5), and two equivalent Co(6) atoms. There are seven inequivalent Co sites. In the first Co site, Co(6) is bonded to one Yb(2), two equivalent Yb(1), one Mn(1), one Co(1), one Co(2), one Co(3), one Co(5), one Co(6), one Co(7), and two equivalent Co(4) atoms to form distorted CoYb3MnCo8 cuboctahedra that share  a cornercorner with one Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with seven equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(2)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(3)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(5)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with three equivalent Co(6)Yb3MnCo8 cuboctahedra,  a faceface with one Co(1)Yb2Mn2Co8 cuboctahedra,  a faceface with one Co(2)Yb2Mn2Co8 cuboctahedra, faces with three equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with three equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with three equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, and faces with five equivalent Co(6)Yb3MnCo8 cuboctahedra. In the second Co site, Co(7) is bonded to one Yb(2), two equivalent Yb(1), one Mn(1), two equivalent Co(1), two equivalent Co(3), two equivalent Co(5), and two equivalent Co(6) atoms to form distorted CoYb3MnCo8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with three equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with six equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(2)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(7)Yb3MnCo8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, edges with four equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, and faces with six equivalent Co(6)Yb3MnCo8 cuboctahedra. In the third Co site, Co(1) is bonded to two equivalent Yb(2), two equivalent Mn(1), two equivalent Co(3), two equivalent Co(5), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with eight equivalent Co(6)Yb3MnCo8 cuboctahedra, edges with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with four equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, and faces with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra. In the fourth Co site, Co(2) is bonded to two equivalent Yb(2), two equivalent Mn(1), four equivalent Co(4), and four equivalent Co(6) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(6)Yb3MnCo8 cuboctahedra, corners with six equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, edges with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, edges with four equivalent Co(6)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, and faces with four equivalent Co(6)Yb3MnCo8 cuboctahedra. In the fifth Co site, Co(3) is bonded to one Yb(1), one Yb(2), two equivalent Mn(1), one Co(3), one Co(5), two equivalent Co(1), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with three equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with five equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with six equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(4)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(6)Yb3MnCo8 cuboctahedra,  a faceface with one Co(3)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(7)Yb3MnCo8 cuboctahedra, and faces with six equivalent Co(6)Yb3MnCo8 cuboctahedra. In the sixth Co site, Co(4) is bonded to one Yb(1), one Yb(2), two equivalent Mn(1), one Co(4), one Co(5), two equivalent Co(2), and four equivalent Co(6) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with three equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with four equivalent Co(6)Yb3MnCo8 cuboctahedra, corners with four equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with five equivalent Co(5)Yb2Mn2Co8 cuboctahedra,  an edgeedge with one Co(3)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(7)Yb3MnCo8 cuboctahedra, faces with three equivalent Co(4)Yb2Mn2Co8 cuboctahedra, and faces with eight equivalent Co(6)Yb3MnCo8 cuboctahedra. In the seventh Co site, Co(5) is bonded to one Yb(1), one Yb(2), two equivalent Mn(1), one Co(3), one Co(4), two equivalent Co(1), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoYb2Mn2Co8 cuboctahedra that share corners with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(5)Yb2Mn2Co8 cuboctahedra, corners with two equivalent Co(7)Yb3MnCo8 cuboctahedra, corners with five equivalent Co(3)Yb2Mn2Co8 cuboctahedra, corners with five equivalent Co(4)Yb2Mn2Co8 cuboctahedra, corners with six equivalent Co(6)Yb3MnCo8 cuboctahedra,  an edgeedge with one Co(5)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, edges with two equivalent Co(6)Yb3MnCo8 cuboctahedra,  a faceface with one Co(5)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(1)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(2)Yb2Mn2Co8 cuboctahedra, faces with two equivalent Co(4)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(3)Yb2Mn2Co8 cuboctahedra, faces with four equivalent Co(7)Yb3MnCo8 cuboctahedra, and faces with six equivalent Co(6)Yb3MnCo8 cuboctahedra. is represented by the CIF file [CIF]
data_Yb2Mn2Co15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.150
_cell_length_b   8.277
_cell_length_c   8.277
_cell_angle_alpha   119.919
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   483.992
_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
  Yb  Yb0  1  0.750  0.000  1.000  1.0
  Yb  Yb1  1  0.250  1.000  0.000  1.0
  Yb  Yb2  1  0.250  0.667  0.333  1.0
  Yb  Yb3  1  0.750  0.333  0.667  1.0
  Mn  Mn4  1  0.594  0.667  0.333  1.0
  Mn  Mn5  1  0.406  0.333  0.667  1.0
  Mn  Mn6  1  0.094  0.333  0.667  1.0
  Mn  Mn7  1  0.906  0.667  0.333  1.0
  Co  Co8  1  0.500  0.500  0.000  1.0
  Co  Co9  1  0.500  0.500  0.500  1.0
  Co  Co10  1  0.500  0.000  0.500  1.0
  Co  Co11  1  0.000  0.500  0.000  1.0
  Co  Co12  1  0.000  0.500  0.500  1.0
  Co  Co13  1  0.000  0.000  0.500  1.0
  Co  Co14  1  0.750  0.672  0.046  1.0
  Co  Co15  1  0.750  0.374  0.328  1.0
  Co  Co16  1  0.750  0.954  0.626  1.0
  Co  Co17  1  0.750  0.374  0.046  1.0
  Co  Co18  1  0.750  0.954  0.328  1.0
  Co  Co19  1  0.750  0.672  0.626  1.0
  Co  Co20  1  0.250  0.328  0.954  1.0
  Co  Co21  1  0.250  0.626  0.672  1.0
  Co  Co22  1  0.250  0.046  0.374  1.0
  Co  Co23  1  0.250  0.626  0.954  1.0
  Co  Co24  1  0.250  0.046  0.672  1.0
  Co  Co25  1  0.250  0.328  0.374  1.0
  Co  Co26  1  0.478  0.837  0.674  1.0
  Co  Co27  1  0.478  0.837  0.163  1.0
  Co  Co28  1  0.478  0.326  0.163  1.0
  Co  Co29  1  0.522  0.163  0.326  1.0
  Co  Co30  1  0.522  0.163  0.837  1.0
  Co  Co31  1  0.522  0.674  0.837  1.0
  Co  Co32  1  0.978  0.163  0.326  1.0
  Co  Co33  1  0.978  0.163  0.837  1.0
  Co  Co34  1  0.978  0.674  0.837  1.0
  Co  Co35  1  0.022  0.837  0.674  1.0
  Co  Co36  1  0.022  0.837  0.163  1.0
  Co  Co37  1  0.022  0.326  0.163  1.0
[/CIF]
.