Ce5Cu19P12 crystallizes in the triclinic P1 space group. There are five inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 6-coordinate geometry to two equivalent P(4), two equivalent P(5), and two equivalent P(6) atoms. In the second Ce site, Ce(2) is bonded in a 6-coordinate geometry to two equivalent P(7), two equivalent P(8), and two equivalent P(9) atoms. In the third Ce site, Ce(3) is bonded in a 16-coordinate geometry to one Cu(1), one Cu(14), one Cu(16), one Cu(5), two equivalent Cu(11), two equivalent Cu(13), two equivalent Cu(7), two equivalent P(1), two equivalent P(10), and two equivalent P(2) atoms. In the fourth Ce site, Ce(4) is bonded in a 16-coordinate geometry to one Cu(14), one Cu(15), one Cu(2), one Cu(4), two equivalent Cu(10), two equivalent Cu(13), two equivalent Cu(8), two equivalent P(11), two equivalent P(2), and two equivalent P(3) atoms. In the fifth Ce site, Ce(5) is bonded in a 16-coordinate geometry to one Cu(15), one Cu(16), one Cu(3), one Cu(6), two equivalent Cu(12), two equivalent Cu(13), two equivalent Cu(9), two equivalent P(1), two equivalent P(12), and two equivalent P(3) atoms. There are nineteen inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Ce(3), one P(5), one P(6), and two equivalent P(10) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(8)Ce2P4 tetrahedra, corners with two equivalent Cu(1)CeP4 tetrahedra, corners with two equivalent Cu(5)CeP4 tetrahedra,  an edgeedge with one Cu(14)Ce2P4 tetrahedra, edges with two equivalent Cu(11)Ce2P4 tetrahedra,  a faceface with one Cu(5)CeP4 tetrahedra, and faces with two equivalent Cu(7)Ce2P4 tetrahedra. In the second Cu site, Cu(2) is bonded to one Ce(4), one P(4), one P(6), and two equivalent P(11) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(9)Ce2P4 tetrahedra, corners with two equivalent Cu(2)CeP4 tetrahedra, corners with two equivalent Cu(4)CeP4 tetrahedra,  an edgeedge with one Cu(15)Ce2P4 tetrahedra, edges with two equivalent Cu(10)Ce2P4 tetrahedra,  a faceface with one Cu(4)CeP4 tetrahedra, and faces with two equivalent Cu(8)Ce2P4 tetrahedra. In the third Cu site, Cu(3) is bonded to one Ce(5), one P(4), one P(5), and two equivalent P(12) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra, corners with two equivalent Cu(7)Ce2P4 tetrahedra, corners with two equivalent Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(6)CeP4 tetrahedra,  an edgeedge with one Cu(16)Ce2P4 tetrahedra, edges with two equivalent Cu(12)Ce2P4 tetrahedra,  a faceface with one Cu(6)CeP4 tetrahedra, and faces with two equivalent Cu(9)Ce2P4 tetrahedra. In the fourth Cu site, Cu(4) is bonded to one Ce(4), one P(8), one P(9), and two equivalent P(11) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(2)CeP4 tetrahedra, corners with two equivalent Cu(4)CeP4 tetrahedra,  an edgeedge with one Cu(14)Ce2P4 tetrahedra, edges with two equivalent Cu(8)Ce2P4 tetrahedra,  a faceface with one Cu(2)CeP4 tetrahedra, and faces with two equivalent Cu(10)Ce2P4 tetrahedra. In the fifth Cu site, Cu(5) is bonded to one Ce(3), one P(7), one P(9), and two equivalent P(10) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(1)CeP4 tetrahedra, corners with two equivalent Cu(5)CeP4 tetrahedra,  an edgeedge with one Cu(16)Ce2P4 tetrahedra, edges with two equivalent Cu(7)Ce2P4 tetrahedra,  a faceface with one Cu(1)CeP4 tetrahedra, and faces with two equivalent Cu(11)Ce2P4 tetrahedra. In the sixth Cu site, Cu(6) is bonded to one Ce(5), one P(7), one P(8), and two equivalent P(12) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra, corners with two equivalent Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(6)CeP4 tetrahedra,  an edgeedge with one Cu(15)Ce2P4 tetrahedra, edges with two equivalent Cu(9)Ce2P4 tetrahedra,  a faceface with one Cu(3)CeP4 tetrahedra, and faces with two equivalent Cu(12)Ce2P4 tetrahedra. In the seventh Cu site, Cu(7) is bonded to two equivalent Ce(3), one P(10), one P(2), and two equivalent P(5) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(16)Ce2P4 tetrahedra, corners with two equivalent Cu(3)CeP4 tetrahedra, edges with two equivalent Cu(7)Ce2P4 tetrahedra, edges with two equivalent Cu(5)CeP4 tetrahedra,  a faceface with one Cu(11)Ce2P4 tetrahedra, faces with two equivalent Cu(14)Ce2P4 tetrahedra, and faces with two equivalent Cu(1)CeP4 tetrahedra. In the eighth Cu site, Cu(8) is bonded to two equivalent Ce(4), one P(11), one P(3), and two equivalent P(6) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(14)Ce2P4 tetrahedra, corners with two equivalent Cu(1)CeP4 tetrahedra, edges with two equivalent Cu(8)Ce2P4 tetrahedra, edges with two equivalent Cu(4)CeP4 tetrahedra,  a faceface with one Cu(10)Ce2P4 tetrahedra, faces with two equivalent Cu(15)Ce2P4 tetrahedra, and faces with two equivalent Cu(2)CeP4 tetrahedra. In the ninth Cu site, Cu(9) is bonded to two equivalent Ce(5), one P(1), one P(12), and two equivalent P(4) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(15)Ce2P4 tetrahedra, corners with two equivalent Cu(2)CeP4 tetrahedra, edges with two equivalent Cu(9)Ce2P4 tetrahedra, edges with two equivalent Cu(6)CeP4 tetrahedra,  a faceface with one Cu(12)Ce2P4 tetrahedra, faces with two equivalent Cu(16)Ce2P4 tetrahedra, and faces with two equivalent Cu(3)CeP4 tetrahedra. In the tenth Cu site, Cu(10) is bonded to two equivalent Ce(4), one P(11), one P(2), and two equivalent P(8) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(7)Ce2P4 tetrahedra, corners with two equivalent Cu(15)Ce2P4 tetrahedra, corners with two equivalent Cu(8)Ce2P4 tetrahedra, corners with two equivalent Cu(6)CeP4 tetrahedra, edges with two equivalent Cu(10)Ce2P4 tetrahedra, edges with two equivalent Cu(2)CeP4 tetrahedra,  a faceface with one Cu(8)Ce2P4 tetrahedra, faces with two equivalent Cu(14)Ce2P4 tetrahedra, and faces with two equivalent Cu(4)CeP4 tetrahedra. In the eleventh Cu site, Cu(11) is bonded to two equivalent Ce(3), one P(1), one P(10), and two equivalent P(9) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(9)Ce2P4 tetrahedra, corners with two equivalent Cu(14)Ce2P4 tetrahedra, corners with two equivalent Cu(7)Ce2P4 tetrahedra, corners with two equivalent Cu(4)CeP4 tetrahedra, edges with two equivalent Cu(11)Ce2P4 tetrahedra, edges with two equivalent Cu(1)CeP4 tetrahedra,  a faceface with one Cu(7)Ce2P4 tetrahedra, faces with two equivalent Cu(16)Ce2P4 tetrahedra, and faces with two equivalent Cu(5)CeP4 tetrahedra. In the twelfth Cu site, Cu(12) is bonded to two equivalent Ce(5), one P(12), one P(3), and two equivalent P(7) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(8)Ce2P4 tetrahedra, corners with two equivalent Cu(16)Ce2P4 tetrahedra, corners with two equivalent Cu(9)Ce2P4 tetrahedra, corners with two equivalent Cu(5)CeP4 tetrahedra, edges with two equivalent Cu(12)Ce2P4 tetrahedra, edges with two equivalent Cu(3)CeP4 tetrahedra,  a faceface with one Cu(9)Ce2P4 tetrahedra, faces with two equivalent Cu(15)Ce2P4 tetrahedra, and faces with two equivalent Cu(6)CeP4 tetrahedra. In the thirteenth Cu site, Cu(13) is bonded in a distorted trigonal planar geometry to two equivalent Ce(3), two equivalent Ce(4), two equivalent Ce(5), one P(1), one P(2), and one P(3) atom. In the fourteenth Cu site, Cu(14) is bonded to one Ce(3), one Ce(4), one P(5), one P(8), and two equivalent P(2) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(14)Ce2P4 tetrahedra, corners with two equivalent Cu(8)Ce2P4 tetrahedra,  an edgeedge with one Cu(1)CeP4 tetrahedra,  an edgeedge with one Cu(4)CeP4 tetrahedra, faces with two equivalent Cu(10)Ce2P4 tetrahedra, and faces with two equivalent Cu(7)Ce2P4 tetrahedra. In the fifteenth Cu site, Cu(15) is bonded to one Ce(4), one Ce(5), one P(6), one P(7), and two equivalent P(3) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra, corners with two equivalent Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(15)Ce2P4 tetrahedra, corners with two equivalent Cu(9)Ce2P4 tetrahedra,  an edgeedge with one Cu(2)CeP4 tetrahedra,  an edgeedge with one Cu(6)CeP4 tetrahedra, faces with two equivalent Cu(12)Ce2P4 tetrahedra, and faces with two equivalent Cu(8)Ce2P4 tetrahedra. In the sixteenth Cu site, Cu(16) is bonded to one Ce(3), one Ce(5), one P(4), one P(9), and two equivalent P(1) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(16)Ce2P4 tetrahedra, corners with two equivalent Cu(7)Ce2P4 tetrahedra,  an edgeedge with one Cu(3)CeP4 tetrahedra,  an edgeedge with one Cu(5)CeP4 tetrahedra, faces with two equivalent Cu(11)Ce2P4 tetrahedra, and faces with two equivalent Cu(9)Ce2P4 tetrahedra. In the seventeenth Cu site, Cu(17) is bonded in a 3-coordinate geometry to one P(12), one P(5), and one P(8) atom. In the eighteenth Cu site, Cu(18) is bonded in a 3-coordinate geometry to one P(10), one P(6), and one P(7) atom. In the nineteenth Cu site, Cu(19) is bonded in a 3-coordinate geometry to one P(11), one P(4), and one P(9) atom. There are twelve inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Ce(3), two equivalent Ce(5), one Cu(11), one Cu(13), one Cu(9), and two equivalent Cu(16) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Ce(3), two equivalent Ce(4), one Cu(10), one Cu(13), one Cu(7), and two equivalent Cu(14) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Ce(4), two equivalent Ce(5), one Cu(12), one Cu(13), one Cu(8), and two equivalent Cu(15) atoms. In the fourth P site, P(4) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Cu(16), one Cu(19), one Cu(2), one Cu(3), and two equivalent Cu(9) atoms. In the fifth P site, P(5) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Cu(1), one Cu(14), one Cu(17), one Cu(3), and two equivalent Cu(7) atoms. In the sixth P site, P(6) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Cu(1), one Cu(15), one Cu(18), one Cu(2), and two equivalent Cu(8) atoms. In the seventh P site, P(7) is bonded in a 8-coordinate geometry to two equivalent Ce(2), one Cu(15), one Cu(18), one Cu(5), one Cu(6), and two equivalent Cu(12) atoms. In the eighth P site, P(8) is bonded in a 8-coordinate geometry to two equivalent Ce(2), one Cu(14), one Cu(17), one Cu(4), one Cu(6), and two equivalent Cu(10) atoms. In the ninth P site, P(9) is bonded in a 8-coordinate geometry to two equivalent Ce(2), one Cu(16), one Cu(19), one Cu(4), one Cu(5), and two equivalent Cu(11) atoms. In the tenth P site, P(10) is bonded in a 9-coordinate geometry to two equivalent Ce(3), one Cu(11), one Cu(18), one Cu(7), two equivalent Cu(1), and two equivalent Cu(5) atoms. In the eleventh P site, P(11) is bonded in a 9-coordinate geometry to two equivalent Ce(4), one Cu(10), one Cu(19), one Cu(8), two equivalent Cu(2), and two equivalent Cu(4) atoms. In the twelfth P site, P(12) is bonded in a 9-coordinate geometry to two equivalent Ce(5), one Cu(12), one Cu(17), one Cu(9), two equivalent Cu(3), and two equivalent Cu(6) atoms.
Ce5Cu19P12 crystallizes in the triclinic P1 space group. There are five inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 6-coordinate geometry to two equivalent P(4), two equivalent P(5), and two equivalent P(6) atoms. There is one shorter (2.89 Å) and one longer (2.92 Å) Ce(1)-P(4) bond length. There is one shorter (2.90 Å) and one longer (2.92 Å) Ce(1)-P(5) bond length. There is one shorter (2.89 Å) and one longer (2.93 Å) Ce(1)-P(6) bond length. In the second Ce site, Ce(2) is bonded in a 6-coordinate geometry to two equivalent P(7), two equivalent P(8), and two equivalent P(9) atoms. There is one shorter (2.90 Å) and one longer (2.92 Å) Ce(2)-P(7) bond length. There is one shorter (2.89 Å) and one longer (2.93 Å) Ce(2)-P(8) bond length. There is one shorter (2.90 Å) and one longer (2.93 Å) Ce(2)-P(9) bond length. In the third Ce site, Ce(3) is bonded in a 16-coordinate geometry to one Cu(1), one Cu(14), one Cu(16), one Cu(5), two equivalent Cu(11), two equivalent Cu(13), two equivalent Cu(7), two equivalent P(1), two equivalent P(10), and two equivalent P(2) atoms. The Ce(3)-Cu(1) bond length is 3.21 Å. The Ce(3)-Cu(14) bond length is 3.19 Å. The Ce(3)-Cu(16) bond length is 3.18 Å. The Ce(3)-Cu(5) bond length is 3.20 Å. Both Ce(3)-Cu(11) bond lengths are 3.18 Å. There is one shorter (3.04 Å) and one longer (3.05 Å) Ce(3)-Cu(13) bond length. There is one shorter (3.18 Å) and one longer (3.19 Å) Ce(3)-Cu(7) bond length. There is one shorter (2.99 Å) and one longer (3.01 Å) Ce(3)-P(1) bond length. Both Ce(3)-P(10) bond lengths are 2.94 Å. There is one shorter (2.98 Å) and one longer (3.01 Å) Ce(3)-P(2) bond length. In the fourth Ce site, Ce(4) is bonded in a 16-coordinate geometry to one Cu(14), one Cu(15), one Cu(2), one Cu(4), two equivalent Cu(10), two equivalent Cu(13), two equivalent Cu(8), two equivalent P(11), two equivalent P(2), and two equivalent P(3) atoms. The Ce(4)-Cu(14) bond length is 3.19 Å. The Ce(4)-Cu(15) bond length is 3.18 Å. The Ce(4)-Cu(2) bond length is 3.20 Å. The Ce(4)-Cu(4) bond length is 3.21 Å. There is one shorter (3.18 Å) and one longer (3.19 Å) Ce(4)-Cu(10) bond length. There is one shorter (3.04 Å) and one longer (3.05 Å) Ce(4)-Cu(13) bond length. Both Ce(4)-Cu(8) bond lengths are 3.18 Å. Both Ce(4)-P(11) bond lengths are 2.94 Å. Both Ce(4)-P(2) bond lengths are 3.00 Å. There is one shorter (2.99 Å) and one longer (3.00 Å) Ce(4)-P(3) bond length. In the fifth Ce site, Ce(5) is bonded in a 16-coordinate geometry to one Cu(15), one Cu(16), one Cu(3), one Cu(6), two equivalent Cu(12), two equivalent Cu(13), two equivalent Cu(9), two equivalent P(1), two equivalent P(12), and two equivalent P(3) atoms. The Ce(5)-Cu(15) bond length is 3.19 Å. The Ce(5)-Cu(16) bond length is 3.19 Å. The Ce(5)-Cu(3) bond length is 3.20 Å. The Ce(5)-Cu(6) bond length is 3.20 Å. There is one shorter (3.18 Å) and one longer (3.19 Å) Ce(5)-Cu(12) bond length. Both Ce(5)-Cu(13) bond lengths are 3.05 Å. There is one shorter (3.18 Å) and one longer (3.19 Å) Ce(5)-Cu(9) bond length. There is one shorter (2.99 Å) and one longer (3.01 Å) Ce(5)-P(1) bond length. There is one shorter (2.93 Å) and one longer (2.94 Å) Ce(5)-P(12) bond length. There is one shorter (2.98 Å) and one longer (3.01 Å) Ce(5)-P(3) bond length. There are nineteen inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one Ce(3), one P(5), one P(6), and two equivalent P(10) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(8)Ce2P4 tetrahedra, corners with two equivalent Cu(1)CeP4 tetrahedra, corners with two equivalent Cu(5)CeP4 tetrahedra,  an edgeedge with one Cu(14)Ce2P4 tetrahedra, edges with two equivalent Cu(11)Ce2P4 tetrahedra,  a faceface with one Cu(5)CeP4 tetrahedra, and faces with two equivalent Cu(7)Ce2P4 tetrahedra. The Cu(1)-P(5) bond length is 2.40 Å. The Cu(1)-P(6) bond length is 2.37 Å. There is one shorter (2.42 Å) and one longer (2.47 Å) Cu(1)-P(10) bond length. In the second Cu site, Cu(2) is bonded to one Ce(4), one P(4), one P(6), and two equivalent P(11) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(9)Ce2P4 tetrahedra, corners with two equivalent Cu(2)CeP4 tetrahedra, corners with two equivalent Cu(4)CeP4 tetrahedra,  an edgeedge with one Cu(15)Ce2P4 tetrahedra, edges with two equivalent Cu(10)Ce2P4 tetrahedra,  a faceface with one Cu(4)CeP4 tetrahedra, and faces with two equivalent Cu(8)Ce2P4 tetrahedra. The Cu(2)-P(4) bond length is 2.37 Å. The Cu(2)-P(6) bond length is 2.40 Å. There is one shorter (2.42 Å) and one longer (2.46 Å) Cu(2)-P(11) bond length. In the third Cu site, Cu(3) is bonded to one Ce(5), one P(4), one P(5), and two equivalent P(12) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra, corners with two equivalent Cu(7)Ce2P4 tetrahedra, corners with two equivalent Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(6)CeP4 tetrahedra,  an edgeedge with one Cu(16)Ce2P4 tetrahedra, edges with two equivalent Cu(12)Ce2P4 tetrahedra,  a faceface with one Cu(6)CeP4 tetrahedra, and faces with two equivalent Cu(9)Ce2P4 tetrahedra. The Cu(3)-P(4) bond length is 2.40 Å. The Cu(3)-P(5) bond length is 2.37 Å. There is one shorter (2.42 Å) and one longer (2.46 Å) Cu(3)-P(12) bond length. In the fourth Cu site, Cu(4) is bonded to one Ce(4), one P(8), one P(9), and two equivalent P(11) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(2)CeP4 tetrahedra, corners with two equivalent Cu(4)CeP4 tetrahedra,  an edgeedge with one Cu(14)Ce2P4 tetrahedra, edges with two equivalent Cu(8)Ce2P4 tetrahedra,  a faceface with one Cu(2)CeP4 tetrahedra, and faces with two equivalent Cu(10)Ce2P4 tetrahedra. The Cu(4)-P(8) bond length is 2.40 Å. The Cu(4)-P(9) bond length is 2.37 Å. There is one shorter (2.42 Å) and one longer (2.46 Å) Cu(4)-P(11) bond length. In the fifth Cu site, Cu(5) is bonded to one Ce(3), one P(7), one P(9), and two equivalent P(10) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(1)CeP4 tetrahedra, corners with two equivalent Cu(5)CeP4 tetrahedra,  an edgeedge with one Cu(16)Ce2P4 tetrahedra, edges with two equivalent Cu(7)Ce2P4 tetrahedra,  a faceface with one Cu(1)CeP4 tetrahedra, and faces with two equivalent Cu(11)Ce2P4 tetrahedra. The Cu(5)-P(7) bond length is 2.37 Å. The Cu(5)-P(9) bond length is 2.40 Å. There is one shorter (2.42 Å) and one longer (2.47 Å) Cu(5)-P(10) bond length. In the sixth Cu site, Cu(6) is bonded to one Ce(5), one P(7), one P(8), and two equivalent P(12) atoms to form distorted CuCeP4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra, corners with two equivalent Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(3)CeP4 tetrahedra, corners with two equivalent Cu(6)CeP4 tetrahedra,  an edgeedge with one Cu(15)Ce2P4 tetrahedra, edges with two equivalent Cu(9)Ce2P4 tetrahedra,  a faceface with one Cu(3)CeP4 tetrahedra, and faces with two equivalent Cu(12)Ce2P4 tetrahedra. The Cu(6)-P(7) bond length is 2.40 Å. The Cu(6)-P(8) bond length is 2.37 Å. There is one shorter (2.42 Å) and one longer (2.47 Å) Cu(6)-P(12) bond length. In the seventh Cu site, Cu(7) is bonded to two equivalent Ce(3), one P(10), one P(2), and two equivalent P(5) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(16)Ce2P4 tetrahedra, corners with two equivalent Cu(3)CeP4 tetrahedra, edges with two equivalent Cu(7)Ce2P4 tetrahedra, edges with two equivalent Cu(5)CeP4 tetrahedra,  a faceface with one Cu(11)Ce2P4 tetrahedra, faces with two equivalent Cu(14)Ce2P4 tetrahedra, and faces with two equivalent Cu(1)CeP4 tetrahedra. The Cu(7)-P(10) bond length is 2.49 Å. The Cu(7)-P(2) bond length is 2.41 Å. Both Cu(7)-P(5) bond lengths are 2.35 Å. In the eighth Cu site, Cu(8) is bonded to two equivalent Ce(4), one P(11), one P(3), and two equivalent P(6) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(14)Ce2P4 tetrahedra, corners with two equivalent Cu(1)CeP4 tetrahedra, edges with two equivalent Cu(8)Ce2P4 tetrahedra, edges with two equivalent Cu(4)CeP4 tetrahedra,  a faceface with one Cu(10)Ce2P4 tetrahedra, faces with two equivalent Cu(15)Ce2P4 tetrahedra, and faces with two equivalent Cu(2)CeP4 tetrahedra. The Cu(8)-P(11) bond length is 2.50 Å. The Cu(8)-P(3) bond length is 2.40 Å. There is one shorter (2.34 Å) and one longer (2.36 Å) Cu(8)-P(6) bond length. In the ninth Cu site, Cu(9) is bonded to two equivalent Ce(5), one P(1), one P(12), and two equivalent P(4) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(15)Ce2P4 tetrahedra, corners with two equivalent Cu(2)CeP4 tetrahedra, edges with two equivalent Cu(9)Ce2P4 tetrahedra, edges with two equivalent Cu(6)CeP4 tetrahedra,  a faceface with one Cu(12)Ce2P4 tetrahedra, faces with two equivalent Cu(16)Ce2P4 tetrahedra, and faces with two equivalent Cu(3)CeP4 tetrahedra. The Cu(9)-P(1) bond length is 2.40 Å. The Cu(9)-P(12) bond length is 2.49 Å. There is one shorter (2.34 Å) and one longer (2.36 Å) Cu(9)-P(4) bond length. In the tenth Cu site, Cu(10) is bonded to two equivalent Ce(4), one P(11), one P(2), and two equivalent P(8) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(7)Ce2P4 tetrahedra, corners with two equivalent Cu(15)Ce2P4 tetrahedra, corners with two equivalent Cu(8)Ce2P4 tetrahedra, corners with two equivalent Cu(6)CeP4 tetrahedra, edges with two equivalent Cu(10)Ce2P4 tetrahedra, edges with two equivalent Cu(2)CeP4 tetrahedra,  a faceface with one Cu(8)Ce2P4 tetrahedra, faces with two equivalent Cu(14)Ce2P4 tetrahedra, and faces with two equivalent Cu(4)CeP4 tetrahedra. The Cu(10)-P(11) bond length is 2.49 Å. The Cu(10)-P(2) bond length is 2.40 Å. There is one shorter (2.34 Å) and one longer (2.36 Å) Cu(10)-P(8) bond length. In the eleventh Cu site, Cu(11) is bonded to two equivalent Ce(3), one P(1), one P(10), and two equivalent P(9) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(9)Ce2P4 tetrahedra, corners with two equivalent Cu(14)Ce2P4 tetrahedra, corners with two equivalent Cu(7)Ce2P4 tetrahedra, corners with two equivalent Cu(4)CeP4 tetrahedra, edges with two equivalent Cu(11)Ce2P4 tetrahedra, edges with two equivalent Cu(1)CeP4 tetrahedra,  a faceface with one Cu(7)Ce2P4 tetrahedra, faces with two equivalent Cu(16)Ce2P4 tetrahedra, and faces with two equivalent Cu(5)CeP4 tetrahedra. The Cu(11)-P(1) bond length is 2.40 Å. The Cu(11)-P(10) bond length is 2.49 Å. There is one shorter (2.34 Å) and one longer (2.36 Å) Cu(11)-P(9) bond length. In the twelfth Cu site, Cu(12) is bonded to two equivalent Ce(5), one P(12), one P(3), and two equivalent P(7) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(8)Ce2P4 tetrahedra, corners with two equivalent Cu(16)Ce2P4 tetrahedra, corners with two equivalent Cu(9)Ce2P4 tetrahedra, corners with two equivalent Cu(5)CeP4 tetrahedra, edges with two equivalent Cu(12)Ce2P4 tetrahedra, edges with two equivalent Cu(3)CeP4 tetrahedra,  a faceface with one Cu(9)Ce2P4 tetrahedra, faces with two equivalent Cu(15)Ce2P4 tetrahedra, and faces with two equivalent Cu(6)CeP4 tetrahedra. The Cu(12)-P(12) bond length is 2.49 Å. The Cu(12)-P(3) bond length is 2.40 Å. Both Cu(12)-P(7) bond lengths are 2.35 Å. In the thirteenth Cu site, Cu(13) is bonded in a distorted trigonal planar geometry to two equivalent Ce(3), two equivalent Ce(4), two equivalent Ce(5), one P(1), one P(2), and one P(3) atom. The Cu(13)-P(1) bond length is 2.21 Å. The Cu(13)-P(2) bond length is 2.21 Å. The Cu(13)-P(3) bond length is 2.21 Å. In the fourteenth Cu site, Cu(14) is bonded to one Ce(3), one Ce(4), one P(5), one P(8), and two equivalent P(2) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(11)Ce2P4 tetrahedra, corners with two equivalent Cu(14)Ce2P4 tetrahedra, corners with two equivalent Cu(8)Ce2P4 tetrahedra,  an edgeedge with one Cu(1)CeP4 tetrahedra,  an edgeedge with one Cu(4)CeP4 tetrahedra, faces with two equivalent Cu(10)Ce2P4 tetrahedra, and faces with two equivalent Cu(7)Ce2P4 tetrahedra. The Cu(14)-P(5) bond length is 2.34 Å. The Cu(14)-P(8) bond length is 2.34 Å. There is one shorter (2.40 Å) and one longer (2.42 Å) Cu(14)-P(2) bond length. In the fifteenth Cu site, Cu(15) is bonded to one Ce(4), one Ce(5), one P(6), one P(7), and two equivalent P(3) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(16)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(3)CeP4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(5)CeP4 tetrahedra, corners with two equivalent Cu(10)Ce2P4 tetrahedra, corners with two equivalent Cu(15)Ce2P4 tetrahedra, corners with two equivalent Cu(9)Ce2P4 tetrahedra,  an edgeedge with one Cu(2)CeP4 tetrahedra,  an edgeedge with one Cu(6)CeP4 tetrahedra, faces with two equivalent Cu(12)Ce2P4 tetrahedra, and faces with two equivalent Cu(8)Ce2P4 tetrahedra. The Cu(15)-P(6) bond length is 2.34 Å. The Cu(15)-P(7) bond length is 2.34 Å. There is one shorter (2.40 Å) and one longer (2.42 Å) Cu(15)-P(3) bond length. In the sixteenth Cu site, Cu(16) is bonded to one Ce(3), one Ce(5), one P(4), one P(9), and two equivalent P(1) atoms to form distorted CuCe2P4 tetrahedra that share  a cornercorner with one Cu(14)Ce2P4 tetrahedra,  a cornercorner with one Cu(15)Ce2P4 tetrahedra,  a cornercorner with one Cu(1)CeP4 tetrahedra,  a cornercorner with one Cu(2)CeP4 tetrahedra,  a cornercorner with one Cu(4)CeP4 tetrahedra,  a cornercorner with one Cu(6)CeP4 tetrahedra, corners with two equivalent Cu(12)Ce2P4 tetrahedra, corners with two equivalent Cu(16)Ce2P4 tetrahedra, corners with two equivalent Cu(7)Ce2P4 tetrahedra,  an edgeedge with one Cu(3)CeP4 tetrahedra,  an edgeedge with one Cu(5)CeP4 tetrahedra, faces with two equivalent Cu(11)Ce2P4 tetrahedra, and faces with two equivalent Cu(9)Ce2P4 tetrahedra. The Cu(16)-P(4) bond length is 2.34 Å. The Cu(16)-P(9) bond length is 2.34 Å. There is one shorter (2.39 Å) and one longer (2.42 Å) Cu(16)-P(1) bond length. In the seventeenth Cu site, Cu(17) is bonded in a 3-coordinate geometry to one P(12), one P(5), and one P(8) atom. The Cu(17)-P(12) bond length is 2.33 Å. The Cu(17)-P(5) bond length is 2.58 Å. The Cu(17)-P(8) bond length is 2.59 Å. In the eighteenth Cu site, Cu(18) is bonded in a 3-coordinate geometry to one P(10), one P(6), and one P(7) atom. The Cu(18)-P(10) bond length is 2.33 Å. The Cu(18)-P(6) bond length is 2.59 Å. The Cu(18)-P(7) bond length is 2.58 Å. In the nineteenth Cu site, Cu(19) is bonded in a 3-coordinate geometry to one P(11), one P(4), and one P(9) atom. The Cu(19)-P(11) bond length is 2.33 Å. The Cu(19)-P(4) bond length is 2.58 Å. The Cu(19)-P(9) bond length is 2.58 Å. There are twelve inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent Ce(3), two equivalent Ce(5), one Cu(11), one Cu(13), one Cu(9), and two equivalent Cu(16) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Ce(3), two equivalent Ce(4), one Cu(10), one Cu(13), one Cu(7), and two equivalent Cu(14) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Ce(4), two equivalent Ce(5), one Cu(12), one Cu(13), one Cu(8), and two equivalent Cu(15) atoms. In the fourth P site, P(4) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Cu(16), one Cu(19), one Cu(2), one Cu(3), and two equivalent Cu(9) atoms. In the fifth P site, P(5) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Cu(1), one Cu(14), one Cu(17), one Cu(3), and two equivalent Cu(7) atoms. In the sixth P site, P(6) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Cu(1), one Cu(15), one Cu(18), one Cu(2), and two equivalent Cu(8) atoms. In the seventh P site, P(7) is bonded in a 8-coordinate geometry to two equivalent Ce(2), one Cu(15), one Cu(18), one Cu(5), one Cu(6), and two equivalent Cu(12) atoms. In the eighth P site, P(8) is bonded in a 8-coordinate geometry to two equivalent Ce(2), one Cu(14), one Cu(17), one Cu(4), one Cu(6), and two equivalent Cu(10) atoms. In the ninth P site, P(9) is bonded in a 8-coordinate geometry to two equivalent Ce(2), one Cu(16), one Cu(19), one Cu(4), one Cu(5), and two equivalent Cu(11) atoms. In the tenth P site, P(10) is bonded in a 9-coordinate geometry to two equivalent Ce(3), one Cu(11), one Cu(18), one Cu(7), two equivalent Cu(1), and two equivalent Cu(5) atoms. In the eleventh P site, P(11) is bonded in a 9-coordinate geometry to two equivalent Ce(4), one Cu(10), one Cu(19), one Cu(8), two equivalent Cu(2), and two equivalent Cu(4) atoms. In the twelfth P site, P(12) is bonded in a 9-coordinate geometry to two equivalent Ce(5), one Cu(12), one Cu(17), one Cu(9), two equivalent Cu(3), and two equivalent Cu(6) atoms.