Nd3(Pd10P3)2 crystallizes in the cubic Fm-3m space group. There are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded to four equivalent Pd(1) and twelve equivalent Pd(2) atoms to form distorted NdPd16 tetrahedra that share edges with six equivalent Nd(1)Pd16 tetrahedra and faces with four equivalent Nd(2)P6Pd12 cuboctahedra. In the second Nd site, Nd(2) is bonded to twelve equivalent Pd(2) and six equivalent P(1) atoms to form distorted face-sharing NdP6Pd12 cuboctahedra. There are two inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 4-coordinate geometry to one Nd(1), six equivalent Pd(2), and three equivalent P(1) atoms. In the second Pd site, Pd(2) is bonded in a 14-coordinate geometry to one Nd(2), two equivalent Nd(1), four equivalent Pd(1), five equivalent Pd(2), and two equivalent P(1) atoms. P(1) is bonded in a 9-coordinate geometry to one Nd(2), four equivalent Pd(1), and four equivalent Pd(2) atoms.
Nd3(Pd10P3)2 crystallizes in the cubic Fm-3m space group. There are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded to four equivalent Pd(1) and twelve equivalent Pd(2) atoms to form distorted NdPd16 tetrahedra that share edges with six equivalent Nd(1)Pd16 tetrahedra and faces with four equivalent Nd(2)P6Pd12 cuboctahedra. All Nd(1)-Pd(1) bond lengths are 2.90 Å. All Nd(1)-Pd(2) bond lengths are 3.35 Å. In the second Nd site, Nd(2) is bonded to twelve equivalent Pd(2) and six equivalent P(1) atoms to form distorted face-sharing NdP6Pd12 cuboctahedra. All Nd(2)-Pd(2) bond lengths are 3.01 Å. All Nd(2)-P(1) bond lengths are 3.23 Å. There are two inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 4-coordinate geometry to one Nd(1), six equivalent Pd(2), and three equivalent P(1) atoms. All Pd(1)-Pd(2) bond lengths are 3.05 Å. All Pd(1)-P(1) bond lengths are 2.49 Å. In the second Pd site, Pd(2) is bonded in a 14-coordinate geometry to one Nd(2), two equivalent Nd(1), four equivalent Pd(1), five equivalent Pd(2), and two equivalent P(1) atoms. There is one shorter (2.66 Å) and four longer (3.01 Å) Pd(2)-Pd(2) bond lengths. Both Pd(2)-P(1) bond lengths are 2.40 Å. P(1) is bonded in a 9-coordinate geometry to one Nd(2), four equivalent Pd(1), and four equivalent Pd(2) atoms.