Tb11Ge4In6 crystallizes in the tetragonal I4/mmm space group. There are four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 7-coordinate geometry to four equivalent In(1), one Ge(1), one Ge(2), and one Ge(3) atom. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to two equivalent In(1), two equivalent In(2), one Ge(3), and two equivalent Ge(1) atoms. In the third Tb site, Tb(3) is bonded in a 7-coordinate geometry to one In(2), two equivalent In(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. In the fourth Tb site, Tb(4) is bonded in a 9-coordinate geometry to four equivalent In(1), four equivalent In(2), and one Ge(2) atom. There are two inequivalent In sites. In the first In site, In(1) is bonded in a 10-coordinate geometry to one Tb(3), one Tb(4), two equivalent Tb(2), four equivalent Tb(1), one In(1), and one In(2) atom. In the second In site, In(2) is bonded in a 11-coordinate geometry to one Tb(3), two equivalent Tb(4), four equivalent Tb(2), two equivalent In(1), and two equivalent In(2) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Tb(3), and four equivalent Tb(2) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one Tb(4), four equivalent Tb(1), and four equivalent Tb(3) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to four equivalent Tb(1) and four equivalent Tb(2) atoms.
Tb11Ge4In6 crystallizes in the tetragonal I4/mmm space group. There are four inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 7-coordinate geometry to four equivalent In(1), one Ge(1), one Ge(2), and one Ge(3) atom. There are two shorter (3.38 Å) and two longer (3.46 Å) Tb(1)-In(1) bond lengths. The Tb(1)-Ge(1) bond length is 3.24 Å. The Tb(1)-Ge(2) bond length is 3.10 Å. The Tb(1)-Ge(3) bond length is 3.09 Å. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to two equivalent In(1), two equivalent In(2), one Ge(3), and two equivalent Ge(1) atoms. Both Tb(2)-In(1) bond lengths are 3.11 Å. Both Tb(2)-In(2) bond lengths are 3.36 Å. The Tb(2)-Ge(3) bond length is 3.02 Å. Both Tb(2)-Ge(1) bond lengths are 3.02 Å. In the third Tb site, Tb(3) is bonded in a 7-coordinate geometry to one In(2), two equivalent In(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. The Tb(3)-In(2) bond length is 3.32 Å. Both Tb(3)-In(1) bond lengths are 3.48 Å. Both Tb(3)-Ge(1) bond lengths are 2.84 Å. Both Tb(3)-Ge(2) bond lengths are 3.36 Å. In the fourth Tb site, Tb(4) is bonded in a 9-coordinate geometry to four equivalent In(1), four equivalent In(2), and one Ge(2) atom. All Tb(4)-In(1) bond lengths are 3.37 Å. All Tb(4)-In(2) bond lengths are 3.45 Å. The Tb(4)-Ge(2) bond length is 3.54 Å. There are two inequivalent In sites. In the first In site, In(1) is bonded in a 10-coordinate geometry to one Tb(3), one Tb(4), two equivalent Tb(2), four equivalent Tb(1), one In(1), and one In(2) atom. The In(1)-In(1) bond length is 2.95 Å. The In(1)-In(2) bond length is 3.07 Å. In the second In site, In(2) is bonded in a 11-coordinate geometry to one Tb(3), two equivalent Tb(4), four equivalent Tb(2), two equivalent In(1), and two equivalent In(2) atoms. Both In(2)-In(2) bond lengths are 3.00 Å. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Tb(3), and four equivalent Tb(2) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one Tb(4), four equivalent Tb(1), and four equivalent Tb(3) atoms. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to four equivalent Tb(1) and four equivalent Tb(2) atoms.