ZrRhGe2 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 12-coordinate geometry to one Rh(2), three equivalent Rh(1), one Ge(4), one Ge(5), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. In the second Zr site, Zr(2) is bonded in a 13-coordinate geometry to two equivalent Rh(2), four equivalent Rh(1), two equivalent Ge(1), two equivalent Ge(3), and three equivalent Ge(5) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 6-coordinate geometry to two equivalent Zr(2), three equivalent Zr(1), one Ge(2), one Ge(3), one Ge(4), one Ge(5), and two equivalent Ge(1) atoms. In the second Rh site, Rh(2) is bonded in a 6-coordinate geometry to two equivalent Zr(1), two equivalent Zr(2), two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(5) atoms. There are five inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Zr(2), two equivalent Zr(1), one Rh(2), two equivalent Rh(1), and one Ge(1) atom. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to four equivalent Zr(1), two equivalent Rh(1), and one Ge(2) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Zr(2), four equivalent Zr(1), two equivalent Rh(1), and one Ge(3) atom. In the fourth Ge site, Ge(4) is bonded in a 6-coordinate geometry to two equivalent Zr(1), two equivalent Rh(1), and two equivalent Rh(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Zr(1), three equivalent Zr(2), two equivalent Rh(1), and two equivalent Rh(2) atoms.
ZrRhGe2 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 12-coordinate geometry to one Rh(2), three equivalent Rh(1), one Ge(4), one Ge(5), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. The Zr(1)-Rh(2) bond length is 3.13 Å. There are a spread of Zr(1)-Rh(1) bond distances ranging from 3.08-3.26 Å. The Zr(1)-Ge(4) bond length is 2.78 Å. The Zr(1)-Ge(5) bond length is 2.76 Å. There is one shorter (2.97 Å) and one longer (3.03 Å) Zr(1)-Ge(1) bond length. There is one shorter (2.89 Å) and one longer (2.94 Å) Zr(1)-Ge(2) bond length. There is one shorter (2.87 Å) and one longer (2.88 Å) Zr(1)-Ge(3) bond length. In the second Zr site, Zr(2) is bonded in a 13-coordinate geometry to two equivalent Rh(2), four equivalent Rh(1), two equivalent Ge(1), two equivalent Ge(3), and three equivalent Ge(5) atoms. Both Zr(2)-Rh(2) bond lengths are 3.16 Å. There are two shorter (3.10 Å) and two longer (3.25 Å) Zr(2)-Rh(1) bond lengths. Both Zr(2)-Ge(1) bond lengths are 2.79 Å. There is one shorter (2.86 Å) and one longer (2.88 Å) Zr(2)-Ge(3) bond length. There are a spread of Zr(2)-Ge(5) bond distances ranging from 2.89-3.00 Å. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 6-coordinate geometry to two equivalent Zr(2), three equivalent Zr(1), one Ge(2), one Ge(3), one Ge(4), one Ge(5), and two equivalent Ge(1) atoms. The Rh(1)-Ge(2) bond length is 2.49 Å. The Rh(1)-Ge(3) bond length is 2.51 Å. The Rh(1)-Ge(4) bond length is 2.61 Å. The Rh(1)-Ge(5) bond length is 2.60 Å. There is one shorter (2.53 Å) and one longer (2.60 Å) Rh(1)-Ge(1) bond length. In the second Rh site, Rh(2) is bonded in a 6-coordinate geometry to two equivalent Zr(1), two equivalent Zr(2), two equivalent Ge(1), two equivalent Ge(4), and two equivalent Ge(5) atoms. Both Rh(2)-Ge(1) bond lengths are 2.55 Å. Both Rh(2)-Ge(4) bond lengths are 2.58 Å. Both Rh(2)-Ge(5) bond lengths are 2.58 Å. There are five inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to one Zr(2), two equivalent Zr(1), one Rh(2), two equivalent Rh(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.43 Å. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to four equivalent Zr(1), two equivalent Rh(1), and one Ge(2) atom. The Ge(2)-Ge(2) bond length is 2.50 Å. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Zr(2), four equivalent Zr(1), two equivalent Rh(1), and one Ge(3) atom. The Ge(3)-Ge(3) bond length is 2.53 Å. In the fourth Ge site, Ge(4) is bonded in a 6-coordinate geometry to two equivalent Zr(1), two equivalent Rh(1), and two equivalent Rh(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Zr(1), three equivalent Zr(2), two equivalent Rh(1), and two equivalent Rh(2) atoms.