La3Pd4Sn6 crystallizes in the orthorhombic Pnma space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 15-coordinate geometry to two equivalent Pd(1), two equivalent Pd(3), two equivalent Pd(4), one Sn(2), one Sn(3), two equivalent Sn(4), two equivalent Sn(5), and three equivalent Sn(6) atoms. In the second La site, La(2) is bonded in a 15-coordinate geometry to one Pd(3), two equivalent Pd(4), three equivalent Pd(2), one Sn(2), one Sn(5), two equivalent Sn(3), two equivalent Sn(4), and three equivalent Sn(1) atoms. In the third La site, La(3) is bonded in a 15-coordinate geometry to two equivalent Pd(1), two equivalent Pd(2), two equivalent Pd(3), one Sn(1), one Sn(3), one Sn(6), two equivalent Sn(2), two equivalent Sn(4), and two equivalent Sn(5) atoms. There are four inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(3), one Sn(2), one Sn(5), and three equivalent Sn(6) atoms. In the second Pd site, Pd(2) is bonded in a 10-coordinate geometry to two equivalent La(3), three equivalent La(2), one Sn(4), one Sn(5), and three equivalent Sn(1) atoms. In the third Pd site, Pd(3) is bonded in a 5-coordinate geometry to one La(2), two equivalent La(1), two equivalent La(3), one Sn(2), one Sn(4), one Sn(5), and two equivalent Sn(3) atoms. In the fourth Pd site, Pd(4) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(2), one Sn(3), one Sn(4), one Sn(6), and two equivalent Sn(2) atoms. There are six inequivalent Sn sites. In the first Sn site, Sn(6) is bonded in a 4-coordinate geometry to one La(3), three equivalent La(1), one Pd(4), and three equivalent Pd(1) atoms. In the second Sn site, Sn(1) is bonded in a 10-coordinate geometry to one La(3), three equivalent La(2), three equivalent Pd(2), one Sn(3), and two equivalent Sn(5) atoms. In the third Sn site, Sn(2) is bonded in a 8-coordinate geometry to one La(1), one La(2), two equivalent La(3), one Pd(1), one Pd(3), and two equivalent Pd(4) atoms. In the fourth Sn site, Sn(3) is bonded in a 3-coordinate geometry to one La(1), one La(3), two equivalent La(2), one Pd(4), two equivalent Pd(3), and one Sn(1) atom. In the fifth Sn site, Sn(4) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent La(3), one Pd(2), one Pd(3), and one Pd(4) atom. In the sixth Sn site, Sn(5) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(1), two equivalent La(3), one Pd(1), one Pd(2), one Pd(3), and two equivalent Sn(1) atoms.
La3Pd4Sn6 crystallizes in the orthorhombic Pnma space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 15-coordinate geometry to two equivalent Pd(1), two equivalent Pd(3), two equivalent Pd(4), one Sn(2), one Sn(3), two equivalent Sn(4), two equivalent Sn(5), and three equivalent Sn(6) atoms. Both La(1)-Pd(1) bond lengths are 3.51 Å. Both La(1)-Pd(3) bond lengths are 3.56 Å. Both La(1)-Pd(4) bond lengths are 3.46 Å. The La(1)-Sn(2) bond length is 3.58 Å. The La(1)-Sn(3) bond length is 3.56 Å. Both La(1)-Sn(4) bond lengths are 3.50 Å. Both La(1)-Sn(5) bond lengths are 3.66 Å. There is one shorter (3.55 Å) and two longer (3.74 Å) La(1)-Sn(6) bond lengths. In the second La site, La(2) is bonded in a 15-coordinate geometry to one Pd(3), two equivalent Pd(4), three equivalent Pd(2), one Sn(2), one Sn(5), two equivalent Sn(3), two equivalent Sn(4), and three equivalent Sn(1) atoms. The La(2)-Pd(3) bond length is 3.62 Å. Both La(2)-Pd(4) bond lengths are 3.37 Å. There are two shorter (3.46 Å) and one longer (3.62 Å) La(2)-Pd(2) bond length. The La(2)-Sn(2) bond length is 3.38 Å. The La(2)-Sn(5) bond length is 3.72 Å. Both La(2)-Sn(3) bond lengths are 3.36 Å. Both La(2)-Sn(4) bond lengths are 3.35 Å. There are two shorter (3.32 Å) and one longer (3.39 Å) La(2)-Sn(1) bond length. In the third La site, La(3) is bonded in a 15-coordinate geometry to two equivalent Pd(1), two equivalent Pd(2), two equivalent Pd(3), one Sn(1), one Sn(3), one Sn(6), two equivalent Sn(2), two equivalent Sn(4), and two equivalent Sn(5) atoms. Both La(3)-Pd(1) bond lengths are 3.60 Å. Both La(3)-Pd(2) bond lengths are 3.52 Å. Both La(3)-Pd(3) bond lengths are 3.70 Å. The La(3)-Sn(1) bond length is 3.58 Å. The La(3)-Sn(3) bond length is 3.62 Å. The La(3)-Sn(6) bond length is 3.55 Å. Both La(3)-Sn(2) bond lengths are 3.42 Å. Both La(3)-Sn(4) bond lengths are 3.47 Å. Both La(3)-Sn(5) bond lengths are 3.79 Å. There are four inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(3), one Sn(2), one Sn(5), and three equivalent Sn(6) atoms. The Pd(1)-Sn(2) bond length is 2.75 Å. The Pd(1)-Sn(5) bond length is 2.63 Å. There is one shorter (2.75 Å) and two longer (2.78 Å) Pd(1)-Sn(6) bond lengths. In the second Pd site, Pd(2) is bonded in a 10-coordinate geometry to two equivalent La(3), three equivalent La(2), one Sn(4), one Sn(5), and three equivalent Sn(1) atoms. The Pd(2)-Sn(4) bond length is 2.73 Å. The Pd(2)-Sn(5) bond length is 2.73 Å. There are two shorter (2.67 Å) and one longer (2.91 Å) Pd(2)-Sn(1) bond length. In the third Pd site, Pd(3) is bonded in a 5-coordinate geometry to one La(2), two equivalent La(1), two equivalent La(3), one Sn(2), one Sn(4), one Sn(5), and two equivalent Sn(3) atoms. The Pd(3)-Sn(2) bond length is 2.78 Å. The Pd(3)-Sn(4) bond length is 2.66 Å. The Pd(3)-Sn(5) bond length is 2.75 Å. Both Pd(3)-Sn(3) bond lengths are 2.64 Å. In the fourth Pd site, Pd(4) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(2), one Sn(3), one Sn(4), one Sn(6), and two equivalent Sn(2) atoms. The Pd(4)-Sn(3) bond length is 2.79 Å. The Pd(4)-Sn(4) bond length is 2.72 Å. The Pd(4)-Sn(6) bond length is 2.69 Å. Both Pd(4)-Sn(2) bond lengths are 2.74 Å. There are six inequivalent Sn sites. In the first Sn site, Sn(6) is bonded in a 4-coordinate geometry to one La(3), three equivalent La(1), one Pd(4), and three equivalent Pd(1) atoms. In the second Sn site, Sn(1) is bonded in a 10-coordinate geometry to one La(3), three equivalent La(2), three equivalent Pd(2), one Sn(3), and two equivalent Sn(5) atoms. The Sn(1)-Sn(3) bond length is 3.08 Å. Both Sn(1)-Sn(5) bond lengths are 3.35 Å. In the third Sn site, Sn(2) is bonded in a 8-coordinate geometry to one La(1), one La(2), two equivalent La(3), one Pd(1), one Pd(3), and two equivalent Pd(4) atoms. In the fourth Sn site, Sn(3) is bonded in a 3-coordinate geometry to one La(1), one La(3), two equivalent La(2), one Pd(4), two equivalent Pd(3), and one Sn(1) atom. In the fifth Sn site, Sn(4) is bonded in a 9-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent La(3), one Pd(2), one Pd(3), and one Pd(4) atom. In the sixth Sn site, Sn(5) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(1), two equivalent La(3), one Pd(1), one Pd(2), one Pd(3), and two equivalent Sn(1) atoms.