NaNd(SO4)2 crystallizes in the triclinic P-1 space group. Na(1) is bonded in a 9-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(8), two equivalent O(1), and two equivalent O(4) atoms. Nd(1) is bonded in a 10-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), one O(8), two equivalent O(5), and two equivalent O(7) atoms. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(3), one O(4), one O(7), and one O(8) atom. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Na(1), one Nd(1), and one S(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Nd(1), and one S(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Nd(1), and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Na(1), one Nd(1), and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(1), two equivalent Nd(1), and one S(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Na(1), one Nd(1), and one S(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to two equivalent Nd(1) and one S(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Nd(1), and one S(1) atom.
NaNd(SO4)2 crystallizes in the triclinic P-1 space group. Na(1) is bonded in a 9-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(8), two equivalent O(1), and two equivalent O(4) atoms. The Na(1)-O(2) bond length is 2.47 Å. The Na(1)-O(3) bond length is 2.46 Å. The Na(1)-O(5) bond length is 2.95 Å. The Na(1)-O(6) bond length is 2.51 Å. The Na(1)-O(8) bond length is 2.54 Å. There is one shorter (2.65 Å) and one longer (2.77 Å) Na(1)-O(1) bond length. There is one shorter (2.57 Å) and one longer (2.71 Å) Na(1)-O(4) bond length. Nd(1) is bonded in a 10-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), one O(8), two equivalent O(5), and two equivalent O(7) atoms. The Nd(1)-O(1) bond length is 2.65 Å. The Nd(1)-O(2) bond length is 2.52 Å. The Nd(1)-O(3) bond length is 2.54 Å. The Nd(1)-O(4) bond length is 2.67 Å. The Nd(1)-O(6) bond length is 2.49 Å. The Nd(1)-O(8) bond length is 2.52 Å. There is one shorter (2.50 Å) and one longer (2.77 Å) Nd(1)-O(5) bond length. There is one shorter (2.51 Å) and one longer (2.64 Å) Nd(1)-O(7) bond length. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(3), one O(4), one O(7), and one O(8) atom. The S(1)-O(3) bond length is 1.48 Å. The S(1)-O(4) bond length is 1.49 Å. The S(1)-O(7) bond length is 1.51 Å. The S(1)-O(8) bond length is 1.49 Å. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(5), and one O(6) atom. The S(2)-O(1) bond length is 1.49 Å. The S(2)-O(2) bond length is 1.49 Å. The S(2)-O(5) bond length is 1.51 Å. The S(2)-O(6) bond length is 1.48 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Na(1), one Nd(1), and one S(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Nd(1), and one S(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Nd(1), and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Na(1), one Nd(1), and one S(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(1), two equivalent Nd(1), and one S(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Na(1), one Nd(1), and one S(2) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to two equivalent Nd(1) and one S(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Nd(1), and one S(1) atom.