Tb4RhInGe4 crystallizes in the monoclinic C2/m space group. There are four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 6-coordinate geometry to two equivalent Rh(1), one Ge(4), two equivalent Ge(2), and three equivalent Ge(3) atoms. In the second Tb site, Tb(2) is bonded in a 11-coordinate geometry to three equivalent Rh(1), two equivalent In(2), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(4) atoms. In the third Tb site, Tb(3) is bonded in a 9-coordinate geometry to one Rh(1), two equivalent In(1), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(4) atoms. In the fourth Tb site, Tb(4) is bonded in a 10-coordinate geometry to two equivalent In(1), two equivalent In(2), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. Rh(1) is bonded in a 10-coordinate geometry to one Tb(3), two equivalent Tb(1), three equivalent Tb(2), one Ge(2), and three equivalent Ge(4) atoms. There are two inequivalent In sites. In the first In site, In(1) is bonded to four equivalent Tb(3), four equivalent Tb(4), two equivalent Ge(1), and two equivalent Ge(3) atoms to form a mixture of face and corner-sharing InTb8Ge4 cuboctahedra. In the second In site, In(2) is bonded to four equivalent Tb(2), four equivalent Tb(4), two equivalent Ge(1), and two equivalent Ge(2) atoms to form a mixture of face and corner-sharing InTb8Ge4 cuboctahedra. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Tb(2), two equivalent Tb(3), two equivalent Tb(4), one In(1), one In(2), and one Ge(4) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Tb(4), one Rh(1), one In(2), and one Ge(3) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Tb(3), two equivalent Tb(4), three equivalent Tb(1), one In(1), and one Ge(2) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Tb(1), two equivalent Tb(2), two equivalent Tb(3), three equivalent Rh(1), and one Ge(1) atom.
Tb4RhInGe4 crystallizes in the monoclinic C2/m space group. There are four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 6-coordinate geometry to two equivalent Rh(1), one Ge(4), two equivalent Ge(2), and three equivalent Ge(3) atoms. Both Tb(1)-Rh(1) bond lengths are 3.37 Å. The Tb(1)-Ge(4) bond length is 2.95 Å. Both Tb(1)-Ge(2) bond lengths are 2.99 Å. There is one shorter (2.98 Å) and two longer (3.03 Å) Tb(1)-Ge(3) bond lengths. In the second Tb site, Tb(2) is bonded in a 11-coordinate geometry to three equivalent Rh(1), two equivalent In(2), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(4) atoms. There is one shorter (3.10 Å) and two longer (3.13 Å) Tb(2)-Rh(1) bond lengths. Both Tb(2)-In(2) bond lengths are 3.41 Å. Both Tb(2)-Ge(1) bond lengths are 3.10 Å. Both Tb(2)-Ge(2) bond lengths are 2.95 Å. Both Tb(2)-Ge(4) bond lengths are 3.11 Å. In the third Tb site, Tb(3) is bonded in a 9-coordinate geometry to one Rh(1), two equivalent In(1), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(4) atoms. The Tb(3)-Rh(1) bond length is 3.25 Å. Both Tb(3)-In(1) bond lengths are 3.39 Å. Both Tb(3)-Ge(1) bond lengths are 3.08 Å. Both Tb(3)-Ge(3) bond lengths are 2.98 Å. Both Tb(3)-Ge(4) bond lengths are 3.11 Å. In the fourth Tb site, Tb(4) is bonded in a 10-coordinate geometry to two equivalent In(1), two equivalent In(2), two equivalent Ge(1), two equivalent Ge(2), and two equivalent Ge(3) atoms. Both Tb(4)-In(1) bond lengths are 3.44 Å. Both Tb(4)-In(2) bond lengths are 3.48 Å. Both Tb(4)-Ge(1) bond lengths are 2.97 Å. Both Tb(4)-Ge(2) bond lengths are 3.10 Å. Both Tb(4)-Ge(3) bond lengths are 3.23 Å. Rh(1) is bonded in a 10-coordinate geometry to one Tb(3), two equivalent Tb(1), three equivalent Tb(2), one Ge(2), and three equivalent Ge(4) atoms. The Rh(1)-Ge(2) bond length is 2.57 Å. There are two shorter (2.49 Å) and one longer (2.58 Å) Rh(1)-Ge(4) bond length. There are two inequivalent In sites. In the first In site, In(1) is bonded to four equivalent Tb(3), four equivalent Tb(4), two equivalent Ge(1), and two equivalent Ge(3) atoms to form a mixture of face and corner-sharing InTb8Ge4 cuboctahedra. Both In(1)-Ge(1) bond lengths are 2.88 Å. Both In(1)-Ge(3) bond lengths are 3.13 Å. In the second In site, In(2) is bonded to four equivalent Tb(2), four equivalent Tb(4), two equivalent Ge(1), and two equivalent Ge(2) atoms to form a mixture of face and corner-sharing InTb8Ge4 cuboctahedra. Both In(2)-Ge(1) bond lengths are 2.87 Å. Both In(2)-Ge(2) bond lengths are 2.92 Å. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Tb(2), two equivalent Tb(3), two equivalent Tb(4), one In(1), one In(2), and one Ge(4) atom. The Ge(1)-Ge(4) bond length is 2.61 Å. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Tb(4), one Rh(1), one In(2), and one Ge(3) atom. The Ge(2)-Ge(3) bond length is 2.66 Å. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Tb(3), two equivalent Tb(4), three equivalent Tb(1), one In(1), and one Ge(2) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Tb(1), two equivalent Tb(2), two equivalent Tb(3), three equivalent Rh(1), and one Ge(1) atom.