YbGa2Ge3 crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 13-coordinate geometry to one Ga(1), one Ga(3), four equivalent Ga(2), one Ge(6), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(4) atoms. In the second Yb site, Yb(2) is bonded in a 15-coordinate geometry to one Ga(1), two equivalent Ga(3), three equivalent Ga(4), one Ge(1), one Ge(2), two equivalent Ge(3), two equivalent Ge(6), and three equivalent Ge(5) atoms. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one Yb(1), one Yb(2), one Ge(4), one Ge(6), and two equivalent Ge(3) atoms. In the second Ga site, Ga(2) is bonded in a 4-coordinate geometry to four equivalent Yb(1), one Ge(1), one Ge(2), and two equivalent Ge(4) atoms. In the third Ga site, Ga(3) is bonded in a 5-coordinate geometry to one Yb(1), two equivalent Yb(2), one Ge(4), one Ge(5), and two equivalent Ge(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 6-coordinate geometry to three equivalent Yb(2), one Ge(3), one Ge(6), and two equivalent Ge(5) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(6) is bonded in a 7-coordinate geometry to one Yb(1), two equivalent Yb(2), one Ga(1), one Ga(4), and two equivalent Ge(1) atoms. In the second Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Yb(2), two equivalent Yb(1), one Ga(2), one Ge(2), and two equivalent Ge(6) atoms. In the third Ge site, Ge(2) is bonded in a 7-coordinate geometry to one Yb(2), two equivalent Yb(1), one Ga(2), two equivalent Ga(3), and one Ge(1) atom. In the fourth Ge site, Ge(3) is bonded in a 6-coordinate geometry to two equivalent Yb(2), one Ga(4), two equivalent Ga(1), and one Ge(5) atom. In the fifth Ge site, Ge(4) is bonded in a 6-coordinate geometry to two equivalent Yb(1), one Ga(1), one Ga(3), and two equivalent Ga(2) atoms. In the sixth Ge site, Ge(5) is bonded in a 6-coordinate geometry to three equivalent Yb(2), one Ga(3), two equivalent Ga(4), and one Ge(3) atom.
YbGa2Ge3 crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 13-coordinate geometry to one Ga(1), one Ga(3), four equivalent Ga(2), one Ge(6), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(4) atoms. The Yb(1)-Ga(1) bond length is 3.32 Å. The Yb(1)-Ga(3) bond length is 3.03 Å. There are two shorter (3.34 Å) and two longer (3.50 Å) Yb(1)-Ga(2) bond lengths. The Yb(1)-Ge(6) bond length is 3.04 Å. Both Yb(1)-Ge(1) bond lengths are 3.18 Å. Both Yb(1)-Ge(2) bond lengths are 3.10 Å. There is one shorter (3.13 Å) and one longer (3.17 Å) Yb(1)-Ge(4) bond length. In the second Yb site, Yb(2) is bonded in a 15-coordinate geometry to one Ga(1), two equivalent Ga(3), three equivalent Ga(4), one Ge(1), one Ge(2), two equivalent Ge(3), two equivalent Ge(6), and three equivalent Ge(5) atoms. The Yb(2)-Ga(1) bond length is 3.47 Å. Both Yb(2)-Ga(3) bond lengths are 3.49 Å. There are two shorter (3.10 Å) and one longer (3.53 Å) Yb(2)-Ga(4) bond length. The Yb(2)-Ge(1) bond length is 3.04 Å. The Yb(2)-Ge(2) bond length is 3.10 Å. Both Yb(2)-Ge(3) bond lengths are 2.99 Å. Both Yb(2)-Ge(6) bond lengths are 3.36 Å. There are two shorter (3.05 Å) and one longer (3.62 Å) Yb(2)-Ge(5) bond length. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one Yb(1), one Yb(2), one Ge(4), one Ge(6), and two equivalent Ge(3) atoms. The Ga(1)-Ge(4) bond length is 2.46 Å. The Ga(1)-Ge(6) bond length is 2.49 Å. Both Ga(1)-Ge(3) bond lengths are 2.46 Å. In the second Ga site, Ga(2) is bonded in a 4-coordinate geometry to four equivalent Yb(1), one Ge(1), one Ge(2), and two equivalent Ge(4) atoms. The Ga(2)-Ge(1) bond length is 2.51 Å. The Ga(2)-Ge(2) bond length is 2.55 Å. Both Ga(2)-Ge(4) bond lengths are 2.46 Å. In the third Ga site, Ga(3) is bonded in a 5-coordinate geometry to one Yb(1), two equivalent Yb(2), one Ge(4), one Ge(5), and two equivalent Ge(2) atoms. The Ga(3)-Ge(4) bond length is 2.56 Å. The Ga(3)-Ge(5) bond length is 2.50 Å. Both Ga(3)-Ge(2) bond lengths are 2.51 Å. In the fourth Ga site, Ga(4) is bonded in a 6-coordinate geometry to three equivalent Yb(2), one Ge(3), one Ge(6), and two equivalent Ge(5) atoms. The Ga(4)-Ge(3) bond length is 2.47 Å. The Ga(4)-Ge(6) bond length is 2.53 Å. Both Ga(4)-Ge(5) bond lengths are 2.46 Å. There are six inequivalent Ge sites. In the first Ge site, Ge(6) is bonded in a 7-coordinate geometry to one Yb(1), two equivalent Yb(2), one Ga(1), one Ga(4), and two equivalent Ge(1) atoms. Both Ge(6)-Ge(1) bond lengths are 2.51 Å. In the second Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Yb(2), two equivalent Yb(1), one Ga(2), one Ge(2), and two equivalent Ge(6) atoms. The Ge(1)-Ge(2) bond length is 2.54 Å. In the third Ge site, Ge(2) is bonded in a 7-coordinate geometry to one Yb(2), two equivalent Yb(1), one Ga(2), two equivalent Ga(3), and one Ge(1) atom. In the fourth Ge site, Ge(3) is bonded in a 6-coordinate geometry to two equivalent Yb(2), one Ga(4), two equivalent Ga(1), and one Ge(5) atom. The Ge(3)-Ge(5) bond length is 2.53 Å. In the fifth Ge site, Ge(4) is bonded in a 6-coordinate geometry to two equivalent Yb(1), one Ga(1), one Ga(3), and two equivalent Ga(2) atoms. In the sixth Ge site, Ge(5) is bonded in a 6-coordinate geometry to three equivalent Yb(2), one Ga(3), two equivalent Ga(4), and one Ge(3) atom.