Na3ThP3O11 crystallizes in the triclinic P-1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(11), one O(2), and two equivalent O(7) atoms to form distorted NaO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one Na(1)O5 trigonal bipyramid. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(2), one O(4), one O(7), two equivalent O(3), and two equivalent O(6) atoms. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(6), one O(9), and two equivalent O(11) atoms. Th(1) is bonded in a 9-coordinate geometry to one O(11), one O(2), one O(3), one O(4), one O(5), one O(8), one O(9), and two equivalent O(1) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra and corners with three equivalent Na(1)O5 trigonal bipyramids. In the second P site, P(2) is bonded to one O(1), one O(11), one O(2), and one O(3) atom to form PO4 tetrahedra that share corners with two equivalent Na(1)O5 trigonal bipyramids. In the third P site, P(3) is bonded to one O(10), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra and  a cornercorner with one Na(1)O5 trigonal bipyramid. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to two equivalent Th(1) and one P(2) atom. In the second O site, O(2) is bonded in a distorted tetrahedral geometry to one Na(1), one Na(2), one Th(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Na(3), two equivalent Na(2), one Th(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(2), one Th(1), and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(3), one Th(1), and one P(3) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one Na(3), two equivalent Na(2), and one P(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Na(2), two equivalent Na(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Th(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(3), one Th(1), and one P(1) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Na(1), one P(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Na(1), two equivalent Na(3), one Th(1), and one P(2) atom.
Na3ThP3O11 crystallizes in the triclinic P-1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(11), one O(2), and two equivalent O(7) atoms to form distorted NaO5 trigonal bipyramids that share  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one Na(1)O5 trigonal bipyramid. The Na(1)-O(10) bond length is 2.38 Å. The Na(1)-O(11) bond length is 2.68 Å. The Na(1)-O(2) bond length is 2.38 Å. There is one shorter (2.38 Å) and one longer (2.48 Å) Na(1)-O(7) bond length. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(2), one O(4), one O(7), two equivalent O(3), and two equivalent O(6) atoms. The Na(2)-O(2) bond length is 2.37 Å. The Na(2)-O(4) bond length is 2.45 Å. The Na(2)-O(7) bond length is 2.41 Å. Both Na(2)-O(3) bond lengths are 2.88 Å. There is one shorter (2.28 Å) and one longer (2.92 Å) Na(2)-O(6) bond length. In the third Na site, Na(3) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(6), one O(9), and two equivalent O(11) atoms. The Na(3)-O(3) bond length is 2.54 Å. The Na(3)-O(5) bond length is 2.66 Å. The Na(3)-O(6) bond length is 2.63 Å. The Na(3)-O(9) bond length is 2.47 Å. There is one shorter (2.66 Å) and one longer (2.91 Å) Na(3)-O(11) bond length. Th(1) is bonded in a 9-coordinate geometry to one O(11), one O(2), one O(3), one O(4), one O(5), one O(8), one O(9), and two equivalent O(1) atoms. The Th(1)-O(11) bond length is 2.91 Å. The Th(1)-O(2) bond length is 2.45 Å. The Th(1)-O(3) bond length is 2.43 Å. The Th(1)-O(4) bond length is 2.42 Å. The Th(1)-O(5) bond length is 2.45 Å. The Th(1)-O(8) bond length is 2.35 Å. The Th(1)-O(9) bond length is 2.41 Å. There is one shorter (2.40 Å) and one longer (2.77 Å) Th(1)-O(1) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra and corners with three equivalent Na(1)O5 trigonal bipyramids. The P(1)-O(10) bond length is 1.63 Å. The P(1)-O(7) bond length is 1.52 Å. The P(1)-O(8) bond length is 1.53 Å. The P(1)-O(9) bond length is 1.55 Å. In the second P site, P(2) is bonded to one O(1), one O(11), one O(2), and one O(3) atom to form PO4 tetrahedra that share corners with two equivalent Na(1)O5 trigonal bipyramids. The P(2)-O(1) bond length is 1.56 Å. The P(2)-O(11) bond length is 1.54 Å. The P(2)-O(2) bond length is 1.56 Å. The P(2)-O(3) bond length is 1.57 Å. In the third P site, P(3) is bonded to one O(10), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra and  a cornercorner with one Na(1)O5 trigonal bipyramid. The P(3)-O(10) bond length is 1.64 Å. The P(3)-O(4) bond length is 1.53 Å. The P(3)-O(5) bond length is 1.55 Å. The P(3)-O(6) bond length is 1.51 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to two equivalent Th(1) and one P(2) atom. In the second O site, O(2) is bonded in a distorted tetrahedral geometry to one Na(1), one Na(2), one Th(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Na(3), two equivalent Na(2), one Th(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(2), one Th(1), and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(3), one Th(1), and one P(3) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one Na(3), two equivalent Na(2), and one P(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Na(2), two equivalent Na(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Th(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(3), one Th(1), and one P(1) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Na(1), one P(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Na(1), two equivalent Na(3), one Th(1), and one P(2) atom.