Sr8Ca3NdCu8Tl2(PbO14)2 crystallizes in the orthorhombic Fmmm space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(6) atoms. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a body-centered cubic geometry to four equivalent O(5) and four equivalent O(6) atoms. In the second Ca site, Ca(2) is bonded in a body-centered cubic geometry to eight equivalent O(5) atoms. Nd(1) is bonded in a body-centered cubic geometry to eight equivalent O(6) atoms. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), two equivalent O(5), and two equivalent O(6) atoms to form CuO5 square pyramids that share  a cornercorner with one Pb(1)O6 octahedra and corners with four equivalent Cu(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 1°. In the second Cu site, Cu(2) is bonded to one O(2), two equivalent O(5), and two equivalent O(6) atoms to form CuO5 square pyramids that share  a cornercorner with one Tl(1)O6 octahedra and corners with four equivalent Cu(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 1°. Tl(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form TlO6 octahedra that share corners with four equivalent Tl(1)O6 octahedra, corners with two equivalent Cu(2)O5 square pyramids, and edges with four equivalent Pb(1)O6 octahedra. The corner-sharing octahedra are not tilted. Pb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form PbO6 octahedra that share corners with four equivalent Pb(1)O6 octahedra, corners with two equivalent Cu(1)O5 square pyramids, and edges with four equivalent Tl(1)O6 octahedra. The corner-sharing octahedra are not tilted. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(3), two equivalent Sr(2), one Cu(1), and one Pb(1) atom to form distorted OSr4CuPb octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with five equivalent O(1)Sr4CuPb octahedra, edges with two equivalent O(3)Sr2Tl2Pb2 octahedra, edges with two equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(2)Sr4TlCu octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-53°. In the second O site, O(2) is bonded to one Sr(1), one Sr(3), two equivalent Sr(2), one Cu(2), and one Tl(1) atom to form distorted OSr4TlCu octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with five equivalent O(2)Sr4TlCu octahedra, edges with two equivalent O(3)Sr2Tl2Pb2 octahedra, edges with two equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(1)Sr4CuPb octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-52°. In the third O site, O(3) is bonded to one Sr(1), one Sr(3), two equivalent Tl(1), and two equivalent Pb(1) atoms to form OSr2Tl2Pb2 octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with four equivalent O(3)Sr2Tl2Pb2 octahedra, edges with four equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(1)Sr4CuPb octahedra, and edges with four equivalent O(2)Sr4TlCu octahedra. The corner-sharing octahedral tilt angles range from 0-45°. In the fourth O site, O(4) is bonded to two equivalent Sr(2), two equivalent Tl(1), and two equivalent Pb(1) atoms to form OSr2Tl2Pb2 octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with four equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(3)Sr2Tl2Pb2 octahedra, edges with four equivalent O(1)Sr4CuPb octahedra, and edges with four equivalent O(2)Sr4TlCu octahedra. The corner-sharing octahedral tilt angles range from 0-45°. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Cu(1), and one Cu(2) atom to form distorted OSr2Ca2Cu2 octahedra that share  a cornercorner with one O(3)Sr2Tl2Pb2 octahedra,  a cornercorner with one O(4)Sr2Tl2Pb2 octahedra, corners with two equivalent O(1)Sr4CuPb octahedra, corners with two equivalent O(2)Sr4TlCu octahedra, corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, edges with three equivalent O(5)Sr2Ca2Cu2 octahedra,  a faceface with one O(1)Sr4CuPb octahedra,  a faceface with one O(2)Sr4TlCu octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the sixth O site, O(6) is bonded to one Sr(2), one Sr(3), one Ca(1), one Nd(1), one Cu(1), and one Cu(2) atom to form distorted OSr2CaNdCu2 octahedra that share  a cornercorner with one O(3)Sr2Tl2Pb2 octahedra,  a cornercorner with one O(4)Sr2Tl2Pb2 octahedra, corners with two equivalent O(1)Sr4CuPb octahedra, corners with two equivalent O(2)Sr4TlCu octahedra, corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, edges with three equivalent O(6)Sr2CaNdCu2 octahedra,  a faceface with one O(1)Sr4CuPb octahedra,  a faceface with one O(2)Sr4TlCu octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°.
Sr8Ca3NdCu8Tl2(PbO14)2 crystallizes in the orthorhombic Fmmm space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(5) atoms. The Sr(1)-O(3) bond length is 2.63 Å. Both Sr(1)-O(1) bond lengths are 2.74 Å. Both Sr(1)-O(2) bond lengths are 2.76 Å. All Sr(1)-O(5) bond lengths are 2.71 Å. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms. The Sr(2)-O(4) bond length is 2.63 Å. Both Sr(2)-O(1) bond lengths are 2.74 Å. Both Sr(2)-O(2) bond lengths are 2.75 Å. Both Sr(2)-O(5) bond lengths are 2.70 Å. Both Sr(2)-O(6) bond lengths are 2.72 Å. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(6) atoms. The Sr(3)-O(3) bond length is 2.59 Å. Both Sr(3)-O(1) bond lengths are 2.72 Å. Both Sr(3)-O(2) bond lengths are 2.73 Å. All Sr(3)-O(6) bond lengths are 2.75 Å. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a body-centered cubic geometry to four equivalent O(5) and four equivalent O(6) atoms. All Ca(1)-O(5) bond lengths are 2.47 Å. All Ca(1)-O(6) bond lengths are 2.47 Å. In the second Ca site, Ca(2) is bonded in a body-centered cubic geometry to eight equivalent O(5) atoms. All Ca(2)-O(5) bond lengths are 2.48 Å. Nd(1) is bonded in a body-centered cubic geometry to eight equivalent O(6) atoms. All Nd(1)-O(6) bond lengths are 2.46 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), two equivalent O(5), and two equivalent O(6) atoms to form CuO5 square pyramids that share  a cornercorner with one Pb(1)O6 octahedra and corners with four equivalent Cu(2)O5 square pyramids. The corner-sharing octahedral tilt angles are 1°. The Cu(1)-O(1) bond length is 2.29 Å. Both Cu(1)-O(5) bond lengths are 1.90 Å. Both Cu(1)-O(6) bond lengths are 1.92 Å. In the second Cu site, Cu(2) is bonded to one O(2), two equivalent O(5), and two equivalent O(6) atoms to form CuO5 square pyramids that share  a cornercorner with one Tl(1)O6 octahedra and corners with four equivalent Cu(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 1°. The Cu(2)-O(2) bond length is 2.35 Å. Both Cu(2)-O(5) bond lengths are 1.90 Å. Both Cu(2)-O(6) bond lengths are 1.92 Å. Tl(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form TlO6 octahedra that share corners with four equivalent Tl(1)O6 octahedra, corners with two equivalent Cu(2)O5 square pyramids, and edges with four equivalent Pb(1)O6 octahedra. The corner-sharing octahedra are not tilted. Both Tl(1)-O(2) bond lengths are 2.10 Å. Both Tl(1)-O(3) bond lengths are 2.69 Å. Both Tl(1)-O(4) bond lengths are 2.69 Å. Pb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form PbO6 octahedra that share corners with four equivalent Pb(1)O6 octahedra, corners with two equivalent Cu(1)O5 square pyramids, and edges with four equivalent Tl(1)O6 octahedra. The corner-sharing octahedra are not tilted. Both Pb(1)-O(1) bond lengths are 2.14 Å. Both Pb(1)-O(3) bond lengths are 2.69 Å. Both Pb(1)-O(4) bond lengths are 2.69 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(3), two equivalent Sr(2), one Cu(1), and one Pb(1) atom to form distorted OSr4CuPb octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with five equivalent O(1)Sr4CuPb octahedra, edges with two equivalent O(3)Sr2Tl2Pb2 octahedra, edges with two equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(2)Sr4TlCu octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-53°. In the second O site, O(2) is bonded to one Sr(1), one Sr(3), two equivalent Sr(2), one Cu(2), and one Tl(1) atom to form distorted OSr4TlCu octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with five equivalent O(2)Sr4TlCu octahedra, edges with two equivalent O(3)Sr2Tl2Pb2 octahedra, edges with two equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(1)Sr4CuPb octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-52°. In the third O site, O(3) is bonded to one Sr(1), one Sr(3), two equivalent Tl(1), and two equivalent Pb(1) atoms to form OSr2Tl2Pb2 octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with four equivalent O(3)Sr2Tl2Pb2 octahedra, edges with four equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(1)Sr4CuPb octahedra, and edges with four equivalent O(2)Sr4TlCu octahedra. The corner-sharing octahedral tilt angles range from 0-45°. In the fourth O site, O(4) is bonded to two equivalent Sr(2), two equivalent Tl(1), and two equivalent Pb(1) atoms to form OSr2Tl2Pb2 octahedra that share corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, corners with four equivalent O(4)Sr2Tl2Pb2 octahedra, edges with four equivalent O(3)Sr2Tl2Pb2 octahedra, edges with four equivalent O(1)Sr4CuPb octahedra, and edges with four equivalent O(2)Sr4TlCu octahedra. The corner-sharing octahedral tilt angles range from 0-45°. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Cu(1), and one Cu(2) atom to form distorted OSr2Ca2Cu2 octahedra that share  a cornercorner with one O(3)Sr2Tl2Pb2 octahedra,  a cornercorner with one O(4)Sr2Tl2Pb2 octahedra, corners with two equivalent O(1)Sr4CuPb octahedra, corners with two equivalent O(2)Sr4TlCu octahedra, corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, edges with three equivalent O(5)Sr2Ca2Cu2 octahedra,  a faceface with one O(1)Sr4CuPb octahedra,  a faceface with one O(2)Sr4TlCu octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the sixth O site, O(6) is bonded to one Sr(2), one Sr(3), one Ca(1), one Nd(1), one Cu(1), and one Cu(2) atom to form distorted OSr2CaNdCu2 octahedra that share  a cornercorner with one O(3)Sr2Tl2Pb2 octahedra,  a cornercorner with one O(4)Sr2Tl2Pb2 octahedra, corners with two equivalent O(1)Sr4CuPb octahedra, corners with two equivalent O(2)Sr4TlCu octahedra, corners with four equivalent O(5)Sr2Ca2Cu2 octahedra, corners with four equivalent O(6)Sr2CaNdCu2 octahedra, edges with three equivalent O(6)Sr2CaNdCu2 octahedra,  a faceface with one O(1)Sr4CuPb octahedra,  a faceface with one O(2)Sr4TlCu octahedra, faces with two equivalent O(5)Sr2Ca2Cu2 octahedra, and faces with two equivalent O(6)Sr2CaNdCu2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°.