Na2ZrCPO10 crystallizes in the monoclinic C2/m space group. Na(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. Zr(1) is bonded to one O(2), one O(5), one O(6), two equivalent O(1), and two equivalent O(7) atoms to form ZrO7 pentagonal bipyramids that share corners with three equivalent P(1)O4 tetrahedra and  an edgeedge with one Zr(1)O7 pentagonal bipyramid. C(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. P(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form PO4 tetrahedra that share corners with three equivalent Zr(1)O7 pentagonal bipyramids. There are nine inequivalent O sites. In the first O site, O(6) is bonded in a distorted tetrahedral geometry to two equivalent Na(1), one Zr(1), and one C(1) atom. In the second O site, O(7) is bonded in a 3-coordinate geometry to two equivalent Zr(1) and one O(7) atom. In the third O site, O(8) is bonded in an L-shaped geometry to two equivalent Na(1) atoms. In the fourth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one O(9) atom. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the seventh O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one P(1) atom. In the eighth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one C(1) atom. In the ninth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Zr(1), and one C(1) atom.
Na2ZrCPO10 crystallizes in the monoclinic C2/m space group. Na(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. The Na(1)-O(3) bond length is 2.31 Å. The Na(1)-O(4) bond length is 2.40 Å. The Na(1)-O(5) bond length is 2.84 Å. The Na(1)-O(6) bond length is 2.46 Å. The Na(1)-O(8) bond length is 2.31 Å. The Na(1)-O(9) bond length is 2.68 Å. Zr(1) is bonded to one O(2), one O(5), one O(6), two equivalent O(1), and two equivalent O(7) atoms to form ZrO7 pentagonal bipyramids that share corners with three equivalent P(1)O4 tetrahedra and  an edgeedge with one Zr(1)O7 pentagonal bipyramid. The Zr(1)-O(2) bond length is 2.12 Å. The Zr(1)-O(5) bond length is 2.24 Å. The Zr(1)-O(6) bond length is 2.24 Å. Both Zr(1)-O(1) bond lengths are 2.09 Å. There is one shorter (2.12 Å) and one longer (2.17 Å) Zr(1)-O(7) bond length. C(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. The C(1)-O(4) bond length is 1.25 Å. The C(1)-O(5) bond length is 1.32 Å. The C(1)-O(6) bond length is 1.34 Å. P(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form PO4 tetrahedra that share corners with three equivalent Zr(1)O7 pentagonal bipyramids. The P(1)-O(2) bond length is 1.58 Å. The P(1)-O(3) bond length is 1.52 Å. Both P(1)-O(1) bond lengths are 1.55 Å. There are nine inequivalent O sites. In the first O site, O(6) is bonded in a distorted tetrahedral geometry to two equivalent Na(1), one Zr(1), and one C(1) atom. In the second O site, O(7) is bonded in a 3-coordinate geometry to two equivalent Zr(1) and one O(7) atom. The O(7)-O(7) bond length is 1.52 Å. In the third O site, O(8) is bonded in an L-shaped geometry to two equivalent Na(1) atoms. In the fourth O site, O(9) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one O(9) atom. The O(9)-O(9) bond length is 1.24 Å. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the sixth O site, O(2) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(1) atom. In the seventh O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one P(1) atom. In the eighth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Na(1) and one C(1) atom. In the ninth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Zr(1), and one C(1) atom.