YbAuGe crystallizes in the orthorhombic Pnma space group. There are three inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 12-coordinate geometry to one Au(1), two equivalent Au(2), three equivalent Au(3), one Ge(3), two equivalent Ge(1), and three equivalent Ge(2) atoms. In the second Yb site, Yb(2) is bonded in a 12-coordinate geometry to three equivalent Au(1), three equivalent Au(2), three equivalent Ge(1), and three equivalent Ge(3) atoms. In the third Yb site, Yb(3) is bonded in a 12-coordinate geometry to one Au(2), two equivalent Au(1), three equivalent Au(3), one Ge(1), two equivalent Ge(3), and three equivalent Ge(2) atoms. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a 10-coordinate geometry to one Yb(1), two equivalent Yb(3), three equivalent Yb(2), one Au(3), one Ge(3), and two equivalent Ge(1) atoms. In the second Au site, Au(2) is bonded in a 10-coordinate geometry to one Yb(3), two equivalent Yb(1), three equivalent Yb(2), one Ge(1), and three equivalent Ge(3) atoms. In the third Au site, Au(3) is bonded in a 10-coordinate geometry to three equivalent Yb(1), three equivalent Yb(3), one Au(1), and three equivalent Ge(2) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Yb(3), two equivalent Yb(1), three equivalent Yb(2), one Au(2), two equivalent Au(1), and one Ge(2) atom. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to three equivalent Yb(1), three equivalent Yb(3), three equivalent Au(3), and one Ge(1) atom. In the third Ge site, Ge(3) is bonded in a 10-coordinate geometry to one Yb(1), two equivalent Yb(3), three equivalent Yb(2), one Au(1), and three equivalent Au(2) atoms.
YbAuGe crystallizes in the orthorhombic Pnma space group. There are three inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 12-coordinate geometry to one Au(1), two equivalent Au(2), three equivalent Au(3), one Ge(3), two equivalent Ge(1), and three equivalent Ge(2) atoms. The Yb(1)-Au(1) bond length is 3.24 Å. Both Yb(1)-Au(2) bond lengths are 3.19 Å. There are two shorter (3.13 Å) and one longer (3.26 Å) Yb(1)-Au(3) bond length. The Yb(1)-Ge(3) bond length is 3.07 Å. Both Yb(1)-Ge(1) bond lengths are 3.02 Å. There are two shorter (3.03 Å) and one longer (3.17 Å) Yb(1)-Ge(2) bond length. In the second Yb site, Yb(2) is bonded in a 12-coordinate geometry to three equivalent Au(1), three equivalent Au(2), three equivalent Ge(1), and three equivalent Ge(3) atoms. There is one shorter (3.02 Å) and two longer (3.15 Å) Yb(2)-Au(1) bond lengths. There are two shorter (3.05 Å) and one longer (3.16 Å) Yb(2)-Au(2) bond length. There is one shorter (3.21 Å) and two longer (3.27 Å) Yb(2)-Ge(1) bond lengths. There are two shorter (3.06 Å) and one longer (3.18 Å) Yb(2)-Ge(3) bond length. In the third Yb site, Yb(3) is bonded in a 12-coordinate geometry to one Au(2), two equivalent Au(1), three equivalent Au(3), one Ge(1), two equivalent Ge(3), and three equivalent Ge(2) atoms. The Yb(3)-Au(2) bond length is 3.08 Å. Both Yb(3)-Au(1) bond lengths are 3.16 Å. There is one shorter (3.00 Å) and two longer (3.12 Å) Yb(3)-Au(3) bond lengths. The Yb(3)-Ge(1) bond length is 3.17 Å. Both Yb(3)-Ge(3) bond lengths are 3.17 Å. There is one shorter (3.13 Å) and two longer (3.27 Å) Yb(3)-Ge(2) bond lengths. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a 10-coordinate geometry to one Yb(1), two equivalent Yb(3), three equivalent Yb(2), one Au(3), one Ge(3), and two equivalent Ge(1) atoms. The Au(1)-Au(3) bond length is 3.12 Å. The Au(1)-Ge(3) bond length is 2.56 Å. Both Au(1)-Ge(1) bond lengths are 2.59 Å. In the second Au site, Au(2) is bonded in a 10-coordinate geometry to one Yb(3), two equivalent Yb(1), three equivalent Yb(2), one Ge(1), and three equivalent Ge(3) atoms. The Au(2)-Ge(1) bond length is 2.63 Å. There are two shorter (2.60 Å) and one longer (2.92 Å) Au(2)-Ge(3) bond length. In the third Au site, Au(3) is bonded in a 10-coordinate geometry to three equivalent Yb(1), three equivalent Yb(3), one Au(1), and three equivalent Ge(2) atoms. There are two shorter (2.60 Å) and one longer (2.61 Å) Au(3)-Ge(2) bond length. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Yb(3), two equivalent Yb(1), three equivalent Yb(2), one Au(2), two equivalent Au(1), and one Ge(2) atom. The Ge(1)-Ge(2) bond length is 2.65 Å. In the second Ge site, Ge(2) is bonded in a 10-coordinate geometry to three equivalent Yb(1), three equivalent Yb(3), three equivalent Au(3), and one Ge(1) atom. In the third Ge site, Ge(3) is bonded in a 10-coordinate geometry to one Yb(1), two equivalent Yb(3), three equivalent Yb(2), one Au(1), and three equivalent Au(2) atoms.