NdPb7F17 crystallizes in the triclinic P1 space group. Nd(1) is bonded in a 10-coordinate geometry to one F(11), one F(17), two equivalent F(16), three equivalent F(14), and three equivalent F(15) atoms. There are seven inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one F(1), one F(3), and two equivalent F(17) atoms. In the second Pb site, Pb(2) is bonded in a body-centered cubic geometry to one F(1), one F(6), three equivalent F(3), and three equivalent F(4) atoms. In the third Pb site, Pb(3) is bonded in a body-centered cubic geometry to one F(4), one F(8), three equivalent F(2), and three equivalent F(6) atoms. In the fourth Pb site, Pb(4) is bonded in a body-centered cubic geometry to one F(12), one F(5), three equivalent F(10), and three equivalent F(7) atoms. In the fifth Pb site, Pb(5) is bonded in a body-centered cubic geometry to one F(10), one F(2), three equivalent F(5), and three equivalent F(8) atoms. In the sixth Pb site, Pb(6) is bonded in a distorted body-centered cubic geometry to one F(13), one F(7), three equivalent F(12), and three equivalent F(9) atoms. In the seventh Pb site, Pb(7) is bonded in a 8-coordinate geometry to one F(15), one F(9), three equivalent F(11), and three equivalent F(13) atoms. There are seventeen inequivalent F sites. In the first F site, F(1) is bonded in a distorted water-like geometry to one Pb(1) and one Pb(2) atom. In the second F site, F(2) is bonded to one Pb(5) and three equivalent Pb(3) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the third F site, F(3) is bonded to one Pb(1) and three equivalent Pb(2) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the fourth F site, F(4) is bonded to one Pb(3) and three equivalent Pb(2) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fifth F site, F(5) is bonded to one Pb(4) and three equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the sixth F site, F(6) is bonded to one Pb(2) and three equivalent Pb(3) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the seventh F site, F(7) is bonded to one Pb(6) and three equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the eighth F site, F(8) is bonded to one Pb(3) and three equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the ninth F site, F(9) is bonded to one Pb(7) and three equivalent Pb(6) atoms to form FPb4 tetrahedra that share  a cornercorner with one F(15)Nd3Pb tetrahedra, corners with three equivalent F(12)Pb4 tetrahedra, corners with three equivalent F(7)Pb4 tetrahedra, corners with six equivalent F(9)Pb4 tetrahedra, edges with three equivalent F(12)Pb4 tetrahedra, and edges with three equivalent F(13)Pb4 tetrahedra. In the tenth F site, F(10) is bonded to one Pb(5) and three equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the eleventh F site, F(11) is bonded in a 4-coordinate geometry to one Nd(1) and three equivalent Pb(7) atoms. In the twelfth F site, F(12) is bonded to one Pb(4) and three equivalent Pb(6) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the thirteenth F site, F(13) is bonded to one Pb(6) and three equivalent Pb(7) atoms to form distorted FPb4 tetrahedra that share  a cornercorner with one F(7)Pb4 tetrahedra, corners with three equivalent F(15)Nd3Pb tetrahedra, corners with three equivalent F(12)Pb4 tetrahedra, corners with six equivalent F(13)Pb4 tetrahedra, and edges with three equivalent F(9)Pb4 tetrahedra. In the fourteenth F site, F(14) is bonded in a trigonal planar geometry to three equivalent Nd(1) atoms. In the fifteenth F site, F(15) is bonded to three equivalent Nd(1) and one Pb(7) atom to form distorted FNd3Pb tetrahedra that share  a cornercorner with one F(9)Pb4 tetrahedra, corners with three equivalent F(13)Pb4 tetrahedra, and corners with six equivalent F(15)Nd3Pb tetrahedra. In the sixteenth F site, F(16) is bonded in a distorted water-like geometry to two equivalent Nd(1) atoms. In the seventeenth F site, F(17) is bonded in a distorted trigonal non-coplanar geometry to one Nd(1) and two equivalent Pb(1) atoms.
NdPb7F17 crystallizes in the triclinic P1 space group. Nd(1) is bonded in a 10-coordinate geometry to one F(11), one F(17), two equivalent F(16), three equivalent F(14), and three equivalent F(15) atoms. The Nd(1)-F(11) bond length is 2.48 Å. The Nd(1)-F(17) bond length is 2.50 Å. There is one shorter (2.42 Å) and one longer (2.72 Å) Nd(1)-F(16) bond length. There are a spread of Nd(1)-F(14) bond distances ranging from 2.35-2.50 Å. There are a spread of Nd(1)-F(15) bond distances ranging from 2.57-2.79 Å. There are seven inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one F(1), one F(3), and two equivalent F(17) atoms. The Pb(1)-F(1) bond length is 2.30 Å. The Pb(1)-F(3) bond length is 2.66 Å. There is one shorter (2.48 Å) and one longer (2.55 Å) Pb(1)-F(17) bond length. In the second Pb site, Pb(2) is bonded in a body-centered cubic geometry to one F(1), one F(6), three equivalent F(3), and three equivalent F(4) atoms. The Pb(2)-F(1) bond length is 2.56 Å. The Pb(2)-F(6) bond length is 2.69 Å. There are a spread of Pb(2)-F(3) bond distances ranging from 2.48-2.71 Å. There are a spread of Pb(2)-F(4) bond distances ranging from 2.51-2.69 Å. In the third Pb site, Pb(3) is bonded in a body-centered cubic geometry to one F(4), one F(8), three equivalent F(2), and three equivalent F(6) atoms. The Pb(3)-F(4) bond length is 2.65 Å. The Pb(3)-F(8) bond length is 2.65 Å. There are a spread of Pb(3)-F(2) bond distances ranging from 2.51-2.71 Å. There are a spread of Pb(3)-F(6) bond distances ranging from 2.49-2.68 Å. In the fourth Pb site, Pb(4) is bonded in a body-centered cubic geometry to one F(12), one F(5), three equivalent F(10), and three equivalent F(7) atoms. The Pb(4)-F(12) bond length is 2.62 Å. The Pb(4)-F(5) bond length is 2.63 Å. There are a spread of Pb(4)-F(10) bond distances ranging from 2.48-2.69 Å. There are a spread of Pb(4)-F(7) bond distances ranging from 2.50-2.70 Å. In the fifth Pb site, Pb(5) is bonded in a body-centered cubic geometry to one F(10), one F(2), three equivalent F(5), and three equivalent F(8) atoms. The Pb(5)-F(10) bond length is 2.66 Å. The Pb(5)-F(2) bond length is 2.61 Å. There are a spread of Pb(5)-F(5) bond distances ranging from 2.50-2.70 Å. There are a spread of Pb(5)-F(8) bond distances ranging from 2.49-2.69 Å. In the sixth Pb site, Pb(6) is bonded in a distorted body-centered cubic geometry to one F(13), one F(7), three equivalent F(12), and three equivalent F(9) atoms. The Pb(6)-F(13) bond length is 2.75 Å. The Pb(6)-F(7) bond length is 2.60 Å. There are a spread of Pb(6)-F(12) bond distances ranging from 2.49-2.69 Å. There are a spread of Pb(6)-F(9) bond distances ranging from 2.49-2.68 Å. In the seventh Pb site, Pb(7) is bonded in a 8-coordinate geometry to one F(15), one F(9), three equivalent F(11), and three equivalent F(13) atoms. The Pb(7)-F(15) bond length is 2.44 Å. The Pb(7)-F(9) bond length is 2.71 Å. There are a spread of Pb(7)-F(11) bond distances ranging from 2.53-2.79 Å. There are a spread of Pb(7)-F(13) bond distances ranging from 2.47-2.67 Å. There are seventeen inequivalent F sites. In the first F site, F(1) is bonded in a distorted water-like geometry to one Pb(1) and one Pb(2) atom. In the second F site, F(2) is bonded to one Pb(5) and three equivalent Pb(3) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the third F site, F(3) is bonded to one Pb(1) and three equivalent Pb(2) atoms to form a mixture of distorted corner and edge-sharing FPb4 tetrahedra. In the fourth F site, F(4) is bonded to one Pb(3) and three equivalent Pb(2) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the fifth F site, F(5) is bonded to one Pb(4) and three equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the sixth F site, F(6) is bonded to one Pb(2) and three equivalent Pb(3) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the seventh F site, F(7) is bonded to one Pb(6) and three equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the eighth F site, F(8) is bonded to one Pb(3) and three equivalent Pb(5) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the ninth F site, F(9) is bonded to one Pb(7) and three equivalent Pb(6) atoms to form FPb4 tetrahedra that share  a cornercorner with one F(15)Nd3Pb tetrahedra, corners with three equivalent F(12)Pb4 tetrahedra, corners with three equivalent F(7)Pb4 tetrahedra, corners with six equivalent F(9)Pb4 tetrahedra, edges with three equivalent F(12)Pb4 tetrahedra, and edges with three equivalent F(13)Pb4 tetrahedra. In the tenth F site, F(10) is bonded to one Pb(5) and three equivalent Pb(4) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the eleventh F site, F(11) is bonded in a 4-coordinate geometry to one Nd(1) and three equivalent Pb(7) atoms. In the twelfth F site, F(12) is bonded to one Pb(4) and three equivalent Pb(6) atoms to form a mixture of corner and edge-sharing FPb4 tetrahedra. In the thirteenth F site, F(13) is bonded to one Pb(6) and three equivalent Pb(7) atoms to form distorted FPb4 tetrahedra that share  a cornercorner with one F(7)Pb4 tetrahedra, corners with three equivalent F(15)Nd3Pb tetrahedra, corners with three equivalent F(12)Pb4 tetrahedra, corners with six equivalent F(13)Pb4 tetrahedra, and edges with three equivalent F(9)Pb4 tetrahedra. In the fourteenth F site, F(14) is bonded in a trigonal planar geometry to three equivalent Nd(1) atoms. In the fifteenth F site, F(15) is bonded to three equivalent Nd(1) and one Pb(7) atom to form distorted FNd3Pb tetrahedra that share  a cornercorner with one F(9)Pb4 tetrahedra, corners with three equivalent F(13)Pb4 tetrahedra, and corners with six equivalent F(15)Nd3Pb tetrahedra. In the sixteenth F site, F(16) is bonded in a distorted water-like geometry to two equivalent Nd(1) atoms. In the seventeenth F site, F(17) is bonded in a distorted trigonal non-coplanar geometry to one Nd(1) and two equivalent Pb(1) atoms.