NdPdSi crystallizes in the orthorhombic Pnma space group. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 12-coordinate geometry to one Pd(2), two equivalent Pd(3), three equivalent Pd(1), one Si(3), two equivalent Si(1), and three equivalent Si(2) atoms. In the second Nd site, Nd(2) is bonded in a 12-coordinate geometry to one Pd(3), two equivalent Pd(2), three equivalent Pd(1), one Si(1), two equivalent Si(3), and three equivalent Si(2) atoms. In the third Nd site, Nd(3) is bonded in a 12-coordinate geometry to three equivalent Pd(2), three equivalent Pd(3), three equivalent Si(1), and three equivalent Si(3) atoms. There are three inequivalent Pd sites. In the first Pd site, Pd(3) is bonded in a 10-coordinate geometry to one Nd(2), two equivalent Nd(1), three equivalent Nd(3), one Pd(1), one Si(1), and two equivalent Si(3) atoms. In the second Pd site, Pd(1) is bonded in a 10-coordinate geometry to three equivalent Nd(1), three equivalent Nd(2), one Pd(3), and three equivalent Si(2) atoms. In the third Pd site, Pd(2) is bonded in a 10-coordinate geometry to one Nd(1), two equivalent Nd(2), three equivalent Nd(3), one Si(3), and three equivalent Si(1) atoms. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded in a 10-coordinate geometry to one Nd(2), two equivalent Nd(1), three equivalent Nd(3), one Pd(3), and three equivalent Pd(2) atoms. In the second Si site, Si(2) is bonded in a 10-coordinate geometry to three equivalent Nd(1), three equivalent Nd(2), three equivalent Pd(1), and one Si(3) atom. In the third Si site, Si(3) is bonded in a 10-coordinate geometry to one Nd(1), two equivalent Nd(2), three equivalent Nd(3), one Pd(2), two equivalent Pd(3), and one Si(2) atom.
NdPdSi crystallizes in the orthorhombic Pnma space group. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 12-coordinate geometry to one Pd(2), two equivalent Pd(3), three equivalent Pd(1), one Si(3), two equivalent Si(1), and three equivalent Si(2) atoms. The Nd(1)-Pd(2) bond length is 3.13 Å. Both Nd(1)-Pd(3) bond lengths are 3.17 Å. There is one shorter (3.01 Å) and two longer (3.12 Å) Nd(1)-Pd(1) bond lengths. The Nd(1)-Si(3) bond length is 3.16 Å. Both Nd(1)-Si(1) bond lengths are 3.16 Å. There is one shorter (3.15 Å) and two longer (3.31 Å) Nd(1)-Si(2) bond lengths. In the second Nd site, Nd(2) is bonded in a 12-coordinate geometry to one Pd(3), two equivalent Pd(2), three equivalent Pd(1), one Si(1), two equivalent Si(3), and three equivalent Si(2) atoms. The Nd(2)-Pd(3) bond length is 3.24 Å. Both Nd(2)-Pd(2) bond lengths are 3.27 Å. There are two shorter (3.19 Å) and one longer (3.25 Å) Nd(2)-Pd(1) bond length. The Nd(2)-Si(1) bond length is 3.05 Å. Both Nd(2)-Si(3) bond lengths are 3.01 Å. There are two shorter (3.03 Å) and one longer (3.20 Å) Nd(2)-Si(2) bond length. In the third Nd site, Nd(3) is bonded in a 12-coordinate geometry to three equivalent Pd(2), three equivalent Pd(3), three equivalent Si(1), and three equivalent Si(3) atoms. There are two shorter (3.02 Å) and one longer (3.14 Å) Nd(3)-Pd(2) bond length. There is one shorter (2.99 Å) and two longer (3.21 Å) Nd(3)-Pd(3) bond lengths. There are two shorter (3.09 Å) and one longer (3.24 Å) Nd(3)-Si(1) bond length. There is one shorter (3.27 Å) and two longer (3.31 Å) Nd(3)-Si(3) bond lengths. There are three inequivalent Pd sites. In the first Pd site, Pd(3) is bonded in a 10-coordinate geometry to one Nd(2), two equivalent Nd(1), three equivalent Nd(3), one Pd(1), one Si(1), and two equivalent Si(3) atoms. The Pd(3)-Pd(1) bond length is 3.12 Å. The Pd(3)-Si(1) bond length is 2.53 Å. Both Pd(3)-Si(3) bond lengths are 2.55 Å. In the second Pd site, Pd(1) is bonded in a 10-coordinate geometry to three equivalent Nd(1), three equivalent Nd(2), one Pd(3), and three equivalent Si(2) atoms. There are two shorter (2.55 Å) and one longer (2.63 Å) Pd(1)-Si(2) bond length. In the third Pd site, Pd(2) is bonded in a 10-coordinate geometry to one Nd(1), two equivalent Nd(2), three equivalent Nd(3), one Si(3), and three equivalent Si(1) atoms. The Pd(2)-Si(3) bond length is 2.68 Å. There are two shorter (2.57 Å) and one longer (2.96 Å) Pd(2)-Si(1) bond length. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded in a 10-coordinate geometry to one Nd(2), two equivalent Nd(1), three equivalent Nd(3), one Pd(3), and three equivalent Pd(2) atoms. In the second Si site, Si(2) is bonded in a 10-coordinate geometry to three equivalent Nd(1), three equivalent Nd(2), three equivalent Pd(1), and one Si(3) atom. The Si(2)-Si(3) bond length is 2.64 Å. In the third Si site, Si(3) is bonded in a 10-coordinate geometry to one Nd(1), two equivalent Nd(2), three equivalent Nd(3), one Pd(2), two equivalent Pd(3), and one Si(2) atom.