Yb(CoGa4)2 crystallizes in the orthorhombic Pbam space group. Yb(1) is bonded in a 13-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), two equivalent Ga(6), two equivalent Ga(7), and two equivalent Ga(9) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to one Ga(9), two equivalent Ga(2), two equivalent Ga(6), two equivalent Ga(7), and two equivalent Ga(8) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to one Ga(1), one Ga(8), one Ga(9), two equivalent Ga(3), two equivalent Ga(4), and two equivalent Ga(5) atoms. There are nine inequivalent Ga sites. In the first Ga site, Ga(9) is bonded in a 12-coordinate geometry to two equivalent Yb(1), one Co(1), one Co(2), two equivalent Ga(4), two equivalent Ga(5), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the second Ga site, Ga(1) is bonded in a distorted linear geometry to two equivalent Yb(1), two equivalent Co(2), four equivalent Ga(3), and four equivalent Ga(4) atoms. In the third Ga site, Ga(2) is bonded in a 4-coordinate geometry to four equivalent Co(1), two equivalent Ga(6), and two equivalent Ga(7) atoms. In the fourth Ga site, Ga(3) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(2), one Ga(5), one Ga(7), two equivalent Ga(1), two equivalent Ga(4), and two equivalent Ga(8) atoms. In the fifth Ga site, Ga(4) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(2), one Ga(5), one Ga(6), two equivalent Ga(1), two equivalent Ga(3), and two equivalent Ga(9) atoms. In the sixth Ga site, Ga(5) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(2), one Ga(3), one Ga(4), one Ga(6), one Ga(7), two equivalent Ga(8), and two equivalent Ga(9) atoms. In the seventh Ga site, Ga(6) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(1), one Ga(2), one Ga(4), one Ga(5), one Ga(7), two equivalent Ga(8), and two equivalent Ga(9) atoms. In the eighth Ga site, Ga(7) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(1), one Ga(2), one Ga(3), one Ga(5), one Ga(6), two equivalent Ga(8), and two equivalent Ga(9) atoms. In the ninth Ga site, Ga(8) is bonded in a 3-coordinate geometry to one Co(2), two equivalent Co(1), two equivalent Ga(3), two equivalent Ga(5), two equivalent Ga(6), and two equivalent Ga(7) atoms.
Yb(CoGa4)2 crystallizes in the orthorhombic Pbam space group. Yb(1) is bonded in a 13-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), two equivalent Ga(5), two equivalent Ga(6), two equivalent Ga(7), and two equivalent Ga(9) atoms. The Yb(1)-Ga(1) bond length is 3.19 Å. Both Yb(1)-Ga(3) bond lengths are 3.11 Å. Both Yb(1)-Ga(4) bond lengths are 2.99 Å. Both Yb(1)-Ga(5) bond lengths are 3.09 Å. Both Yb(1)-Ga(6) bond lengths are 3.03 Å. Both Yb(1)-Ga(7) bond lengths are 3.03 Å. There is one shorter (3.10 Å) and one longer (3.30 Å) Yb(1)-Ga(9) bond length. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to one Ga(9), two equivalent Ga(2), two equivalent Ga(6), two equivalent Ga(7), and two equivalent Ga(8) atoms. The Co(1)-Ga(9) bond length is 2.29 Å. Both Co(1)-Ga(2) bond lengths are 2.41 Å. Both Co(1)-Ga(6) bond lengths are 2.56 Å. Both Co(1)-Ga(7) bond lengths are 2.58 Å. There is one shorter (2.48 Å) and one longer (2.51 Å) Co(1)-Ga(8) bond length. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to one Ga(1), one Ga(8), one Ga(9), two equivalent Ga(3), two equivalent Ga(4), and two equivalent Ga(5) atoms. The Co(2)-Ga(1) bond length is 2.31 Å. The Co(2)-Ga(8) bond length is 2.39 Å. The Co(2)-Ga(9) bond length is 2.32 Å. Both Co(2)-Ga(3) bond lengths are 2.51 Å. Both Co(2)-Ga(4) bond lengths are 2.59 Å. Both Co(2)-Ga(5) bond lengths are 2.51 Å. There are nine inequivalent Ga sites. In the first Ga site, Ga(9) is bonded in a 12-coordinate geometry to two equivalent Yb(1), one Co(1), one Co(2), two equivalent Ga(4), two equivalent Ga(5), two equivalent Ga(6), and two equivalent Ga(7) atoms. Both Ga(9)-Ga(4) bond lengths are 2.78 Å. Both Ga(9)-Ga(5) bond lengths are 2.82 Å. Both Ga(9)-Ga(6) bond lengths are 2.83 Å. Both Ga(9)-Ga(7) bond lengths are 2.75 Å. In the second Ga site, Ga(1) is bonded in a distorted linear geometry to two equivalent Yb(1), two equivalent Co(2), four equivalent Ga(3), and four equivalent Ga(4) atoms. All Ga(1)-Ga(3) bond lengths are 2.85 Å. All Ga(1)-Ga(4) bond lengths are 2.75 Å. In the third Ga site, Ga(2) is bonded in a 4-coordinate geometry to four equivalent Co(1), two equivalent Ga(6), and two equivalent Ga(7) atoms. Both Ga(2)-Ga(6) bond lengths are 2.68 Å. Both Ga(2)-Ga(7) bond lengths are 2.67 Å. In the fourth Ga site, Ga(3) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(2), one Ga(5), one Ga(7), two equivalent Ga(1), two equivalent Ga(4), and two equivalent Ga(8) atoms. The Ga(3)-Ga(5) bond length is 2.81 Å. The Ga(3)-Ga(7) bond length is 2.55 Å. There is one shorter (2.74 Å) and one longer (2.89 Å) Ga(3)-Ga(4) bond length. Both Ga(3)-Ga(8) bond lengths are 2.96 Å. In the fifth Ga site, Ga(4) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(2), one Ga(5), one Ga(6), two equivalent Ga(1), two equivalent Ga(3), and two equivalent Ga(9) atoms. The Ga(4)-Ga(5) bond length is 2.73 Å. The Ga(4)-Ga(6) bond length is 2.72 Å. In the sixth Ga site, Ga(5) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(2), one Ga(3), one Ga(4), one Ga(6), one Ga(7), two equivalent Ga(8), and two equivalent Ga(9) atoms. The Ga(5)-Ga(6) bond length is 2.57 Å. The Ga(5)-Ga(7) bond length is 2.97 Å. Both Ga(5)-Ga(8) bond lengths are 2.98 Å. In the seventh Ga site, Ga(6) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(1), one Ga(2), one Ga(4), one Ga(5), one Ga(7), two equivalent Ga(8), and two equivalent Ga(9) atoms. The Ga(6)-Ga(7) bond length is 2.79 Å. Both Ga(6)-Ga(8) bond lengths are 3.09 Å. In the eighth Ga site, Ga(7) is bonded in a 12-coordinate geometry to two equivalent Yb(1), two equivalent Co(1), one Ga(2), one Ga(3), one Ga(5), one Ga(6), two equivalent Ga(8), and two equivalent Ga(9) atoms. Both Ga(7)-Ga(8) bond lengths are 3.08 Å. In the ninth Ga site, Ga(8) is bonded in a 3-coordinate geometry to one Co(2), two equivalent Co(1), two equivalent Ga(3), two equivalent Ga(5), two equivalent Ga(6), and two equivalent Ga(7) atoms.