Tb3Pd4 crystallizes in the triclinic P-1 space group. There are three inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 9-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(3), two equivalent Pd(5), and three equivalent Pd(4) atoms. In the second Tb site, Tb(2) is bonded in a 9-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(3), two equivalent Pd(4), and three equivalent Pd(5) atoms. In the third Tb site, Tb(3) is bonded in a 9-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(4), two equivalent Pd(5), and three equivalent Pd(3) atoms. There are five inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 6-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), and two equivalent Tb(3) atoms. In the second Pd site, Pd(2) is bonded in a distorted octahedral geometry to two equivalent Tb(1), two equivalent Tb(2), and two equivalent Tb(3) atoms. In the third Pd site, Pd(3) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), three equivalent Tb(3), one Pd(3), one Pd(4), and one Pd(5) atom. In the fourth Pd site, Pd(4) is bonded in a 10-coordinate geometry to two equivalent Tb(2), two equivalent Tb(3), three equivalent Tb(1), one Pd(3), one Pd(4), and one Pd(5) atom. In the fifth Pd site, Pd(5) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Tb(3), three equivalent Tb(2), one Pd(3), one Pd(4), and one Pd(5) atom.
Tb3Pd4 crystallizes in the triclinic P-1 space group. There are three inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 9-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(3), two equivalent Pd(5), and three equivalent Pd(4) atoms. The Tb(1)-Pd(1) bond length is 2.89 Å. The Tb(1)-Pd(2) bond length is 2.96 Å. There is one shorter (3.00 Å) and one longer (3.14 Å) Tb(1)-Pd(3) bond length. There is one shorter (2.85 Å) and one longer (3.01 Å) Tb(1)-Pd(5) bond length. There are a spread of Tb(1)-Pd(4) bond distances ranging from 2.87-3.32 Å. In the second Tb site, Tb(2) is bonded in a 9-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(3), two equivalent Pd(4), and three equivalent Pd(5) atoms. The Tb(2)-Pd(1) bond length is 2.89 Å. The Tb(2)-Pd(2) bond length is 2.96 Å. There is one shorter (2.85 Å) and one longer (3.01 Å) Tb(2)-Pd(3) bond length. There is one shorter (3.00 Å) and one longer (3.14 Å) Tb(2)-Pd(4) bond length. There are a spread of Tb(2)-Pd(5) bond distances ranging from 2.87-3.32 Å. In the third Tb site, Tb(3) is bonded in a 9-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(4), two equivalent Pd(5), and three equivalent Pd(3) atoms. The Tb(3)-Pd(1) bond length is 2.89 Å. The Tb(3)-Pd(2) bond length is 2.96 Å. There is one shorter (2.85 Å) and one longer (3.00 Å) Tb(3)-Pd(4) bond length. There is one shorter (3.00 Å) and one longer (3.15 Å) Tb(3)-Pd(5) bond length. There are a spread of Tb(3)-Pd(3) bond distances ranging from 2.87-3.31 Å. There are five inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 6-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), and two equivalent Tb(3) atoms. In the second Pd site, Pd(2) is bonded in a distorted octahedral geometry to two equivalent Tb(1), two equivalent Tb(2), and two equivalent Tb(3) atoms. In the third Pd site, Pd(3) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), three equivalent Tb(3), one Pd(3), one Pd(4), and one Pd(5) atom. The Pd(3)-Pd(3) bond length is 2.90 Å. The Pd(3)-Pd(4) bond length is 2.98 Å. The Pd(3)-Pd(5) bond length is 2.98 Å. In the fourth Pd site, Pd(4) is bonded in a 10-coordinate geometry to two equivalent Tb(2), two equivalent Tb(3), three equivalent Tb(1), one Pd(3), one Pd(4), and one Pd(5) atom. The Pd(4)-Pd(4) bond length is 2.91 Å. The Pd(4)-Pd(5) bond length is 2.98 Å. In the fifth Pd site, Pd(5) is bonded in a 10-coordinate geometry to two equivalent Tb(1), two equivalent Tb(3), three equivalent Tb(2), one Pd(3), one Pd(4), and one Pd(5) atom. The Pd(5)-Pd(5) bond length is 2.90 Å.