CeY(PdAl)2 crystallizes in the monoclinic Pm space group. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 5-coordinate geometry to one Pd(6), two equivalent Pd(1), and two equivalent Pd(4) atoms. In the second Ce site, Ce(2) is bonded in a 5-coordinate geometry to one Pd(5), two equivalent Pd(2), and two equivalent Pd(3) atoms. In the third Ce site, Ce(3) is bonded in a 5-coordinate geometry to one Pd(5), two equivalent Pd(1), and two equivalent Pd(3) atoms. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 5-coordinate geometry to one Pd(6), two equivalent Pd(2), and two equivalent Pd(4) atoms. In the second Y site, Y(2) is bonded in a 11-coordinate geometry to one Pd(6), two equivalent Pd(1), two equivalent Pd(3), two equivalent Al(2), two equivalent Al(3), and two equivalent Al(5) atoms. In the third Y site, Y(3) is bonded in a 5-coordinate geometry to one Pd(5), two equivalent Pd(2), and two equivalent Pd(4) atoms. There are six inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(3), two equivalent Y(2), one Al(2), one Al(3), and one Al(5) atom. In the second Pd site, Pd(2) is bonded in a 9-coordinate geometry to two equivalent Ce(2), two equivalent Y(1), two equivalent Y(3), one Al(1), one Al(4), and one Al(6) atom. In the third Pd site, Pd(3) is bonded in a 9-coordinate geometry to two equivalent Ce(2), two equivalent Ce(3), two equivalent Y(2), one Al(1), one Al(3), and one Al(5) atom. In the fourth Pd site, Pd(4) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Y(1), two equivalent Y(3), one Al(2), one Al(4), and one Al(6) atom. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to one Ce(2), one Ce(3), one Y(3), two equivalent Al(1), two equivalent Al(4), and two equivalent Al(5) atoms. In the sixth Pd site, Pd(6) is bonded in a 9-coordinate geometry to one Ce(1), one Y(1), one Y(2), two equivalent Al(2), two equivalent Al(3), and two equivalent Al(6) atoms. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to one Pd(2), one Pd(3), and two equivalent Pd(5) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to two equivalent Y(2), one Pd(1), one Pd(4), and two equivalent Pd(6) atoms. In the third Al site, Al(3) is bonded in a 4-coordinate geometry to two equivalent Y(2), one Pd(1), one Pd(3), and two equivalent Pd(6) atoms. In the fourth Al site, Al(4) is bonded in a 4-coordinate geometry to one Pd(2), one Pd(4), and two equivalent Pd(5) atoms. In the fifth Al site, Al(5) is bonded in a 4-coordinate geometry to two equivalent Y(2), one Pd(1), one Pd(3), and two equivalent Pd(5) atoms. In the sixth Al site, Al(6) is bonded in a 4-coordinate geometry to one Pd(2), one Pd(4), and two equivalent Pd(6) atoms.
CeY(PdAl)2 crystallizes in the monoclinic Pm space group. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 5-coordinate geometry to one Pd(6), two equivalent Pd(1), and two equivalent Pd(4) atoms. The Ce(1)-Pd(6) bond length is 3.02 Å. Both Ce(1)-Pd(1) bond lengths are 2.96 Å. Both Ce(1)-Pd(4) bond lengths are 2.95 Å. In the second Ce site, Ce(2) is bonded in a 5-coordinate geometry to one Pd(5), two equivalent Pd(2), and two equivalent Pd(3) atoms. The Ce(2)-Pd(5) bond length is 3.03 Å. Both Ce(2)-Pd(2) bond lengths are 2.95 Å. Both Ce(2)-Pd(3) bond lengths are 2.96 Å. In the third Ce site, Ce(3) is bonded in a 5-coordinate geometry to one Pd(5), two equivalent Pd(1), and two equivalent Pd(3) atoms. The Ce(3)-Pd(5) bond length is 3.03 Å. Both Ce(3)-Pd(1) bond lengths are 2.97 Å. Both Ce(3)-Pd(3) bond lengths are 2.98 Å. There are three inequivalent Y sites. In the first Y site, Y(1) is bonded in a 5-coordinate geometry to one Pd(6), two equivalent Pd(2), and two equivalent Pd(4) atoms. The Y(1)-Pd(6) bond length is 3.00 Å. Both Y(1)-Pd(2) bond lengths are 2.99 Å. Both Y(1)-Pd(4) bond lengths are 3.01 Å. In the second Y site, Y(2) is bonded in a 11-coordinate geometry to one Pd(6), two equivalent Pd(1), two equivalent Pd(3), two equivalent Al(2), two equivalent Al(3), and two equivalent Al(5) atoms. The Y(2)-Pd(6) bond length is 2.98 Å. Both Y(2)-Pd(1) bond lengths are 3.03 Å. Both Y(2)-Pd(3) bond lengths are 3.02 Å. Both Y(2)-Al(2) bond lengths are 3.31 Å. Both Y(2)-Al(3) bond lengths are 3.31 Å. Both Y(2)-Al(5) bond lengths are 3.23 Å. In the third Y site, Y(3) is bonded in a 5-coordinate geometry to one Pd(5), two equivalent Pd(2), and two equivalent Pd(4) atoms. The Y(3)-Pd(5) bond length is 3.00 Å. Both Y(3)-Pd(2) bond lengths are 3.02 Å. Both Y(3)-Pd(4) bond lengths are 3.00 Å. There are six inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(3), two equivalent Y(2), one Al(2), one Al(3), and one Al(5) atom. The Pd(1)-Al(2) bond length is 2.84 Å. The Pd(1)-Al(3) bond length is 2.81 Å. The Pd(1)-Al(5) bond length is 2.83 Å. In the second Pd site, Pd(2) is bonded in a 9-coordinate geometry to two equivalent Ce(2), two equivalent Y(1), two equivalent Y(3), one Al(1), one Al(4), and one Al(6) atom. The Pd(2)-Al(1) bond length is 2.82 Å. The Pd(2)-Al(4) bond length is 2.80 Å. The Pd(2)-Al(6) bond length is 2.80 Å. In the third Pd site, Pd(3) is bonded in a 9-coordinate geometry to two equivalent Ce(2), two equivalent Ce(3), two equivalent Y(2), one Al(1), one Al(3), and one Al(5) atom. The Pd(3)-Al(1) bond length is 2.82 Å. The Pd(3)-Al(3) bond length is 2.83 Å. The Pd(3)-Al(5) bond length is 2.81 Å. In the fourth Pd site, Pd(4) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Y(1), two equivalent Y(3), one Al(2), one Al(4), and one Al(6) atom. The Pd(4)-Al(2) bond length is 2.82 Å. The Pd(4)-Al(4) bond length is 2.80 Å. The Pd(4)-Al(6) bond length is 2.81 Å. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to one Ce(2), one Ce(3), one Y(3), two equivalent Al(1), two equivalent Al(4), and two equivalent Al(5) atoms. Both Pd(5)-Al(1) bond lengths are 2.66 Å. Both Pd(5)-Al(4) bond lengths are 2.69 Å. Both Pd(5)-Al(5) bond lengths are 2.67 Å. In the sixth Pd site, Pd(6) is bonded in a 9-coordinate geometry to one Ce(1), one Y(1), one Y(2), two equivalent Al(2), two equivalent Al(3), and two equivalent Al(6) atoms. Both Pd(6)-Al(2) bond lengths are 2.67 Å. Both Pd(6)-Al(3) bond lengths are 2.65 Å. Both Pd(6)-Al(6) bond lengths are 2.67 Å. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to one Pd(2), one Pd(3), and two equivalent Pd(5) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to two equivalent Y(2), one Pd(1), one Pd(4), and two equivalent Pd(6) atoms. In the third Al site, Al(3) is bonded in a 4-coordinate geometry to two equivalent Y(2), one Pd(1), one Pd(3), and two equivalent Pd(6) atoms. In the fourth Al site, Al(4) is bonded in a 4-coordinate geometry to one Pd(2), one Pd(4), and two equivalent Pd(5) atoms. In the fifth Al site, Al(5) is bonded in a 4-coordinate geometry to two equivalent Y(2), one Pd(1), one Pd(3), and two equivalent Pd(5) atoms. In the sixth Al site, Al(6) is bonded in a 4-coordinate geometry to one Pd(2), one Pd(4), and two equivalent Pd(6) atoms.