Na3P3N3H5O7 crystallizes in the monoclinic C2 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form NaO6 octahedra that share  a cornercorner with one P(2)N2O2 tetrahedra,  a cornercorner with one P(3)N2O2 tetrahedra, corners with two equivalent P(1)N2O2 tetrahedra,  an edgeedge with one Na(1)O6 octahedra,  an edgeedge with one Na(2)O6 octahedra, and  an edgeedge with one Na(3)O6 octahedra. In the second Na site, Na(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form distorted NaO6 octahedra that share corners with two equivalent P(1)N2O2 tetrahedra, corners with two equivalent P(2)N2O2 tetrahedra, corners with two equivalent P(3)N2O2 tetrahedra,  an edgeedge with one Na(3)O6 octahedra, and edges with two equivalent Na(1)O6 octahedra. In the third Na site, Na(3) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form distorted NaO6 octahedra that share corners with two equivalent P(1)N2O2 tetrahedra, corners with two equivalent P(2)N2O2 tetrahedra, corners with two equivalent P(3)N2O2 tetrahedra,  an edgeedge with one Na(2)O6 octahedra, and edges with two equivalent Na(1)O6 octahedra. In the fourth Na site, Na(4) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(5), and one O(6) atom. There are three inequivalent P sites. In the first P site, P(1) is bonded to one N(1), one N(3), one O(1), and one O(2) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(2)O6 octahedra,  a cornercorner with one Na(3)O6 octahedra, corners with two equivalent Na(1)O6 octahedra,  a cornercorner with one P(2)N2O2 tetrahedra, and  a cornercorner with one P(3)N2O2 tetrahedra. The corner-sharing octahedral tilt angles range from 52-65°. In the second P site, P(2) is bonded to one N(1), one N(2), one O(3), and one O(4) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra,  a cornercorner with one Na(2)O6 octahedra,  a cornercorner with one Na(3)O6 octahedra,  a cornercorner with one P(1)N2O2 tetrahedra, and  a cornercorner with one P(3)N2O2 tetrahedra. The corner-sharing octahedral tilt angles range from 54-65°. In the third P site, P(3) is bonded to one N(2), one N(3), one O(5), and one O(6) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra,  a cornercorner with one Na(2)O6 octahedra,  a cornercorner with one Na(3)O6 octahedra,  a cornercorner with one P(1)N2O2 tetrahedra, and  a cornercorner with one P(2)N2O2 tetrahedra. The corner-sharing octahedral tilt angles range from 58-71°. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one P(1), one P(2), and one H(3) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one P(2), one P(3), and one H(4) atom. In the third N site, N(3) is bonded in a distorted trigonal non-coplanar geometry to one P(1), one P(3), and one H(5) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(4) and one O(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Na(3), and one P(1) atom to form a mixture of distorted corner and edge-sharing ONa3P tetrahedra. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Na(4), and one P(1) atom. In the third O site, O(3) is bonded to one Na(1), one Na(2), one Na(4), and one P(2) atom to form a mixture of distorted corner and edge-sharing ONa3P tetrahedra. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(3), one P(2), and one H(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Na(4), and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Na(2), one Na(4), and one P(3) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to two equivalent Na(1) and two equivalent H(1) atoms. In the eighth O site, O(8) is bonded in a water-like geometry to two equivalent Na(1) and two equivalent H(2) atoms.
Na3P3N3H5O7 crystallizes in the monoclinic C2 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one O(8) atom to form NaO6 octahedra that share  a cornercorner with one P(2)N2O2 tetrahedra,  a cornercorner with one P(3)N2O2 tetrahedra, corners with two equivalent P(1)N2O2 tetrahedra,  an edgeedge with one Na(1)O6 octahedra,  an edgeedge with one Na(2)O6 octahedra, and  an edgeedge with one Na(3)O6 octahedra. The Na(1)-O(1) bond length is 2.36 Å. The Na(1)-O(2) bond length is 2.27 Å. The Na(1)-O(3) bond length is 2.41 Å. The Na(1)-O(5) bond length is 2.38 Å. The Na(1)-O(7) bond length is 2.44 Å. The Na(1)-O(8) bond length is 2.61 Å. In the second Na site, Na(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form distorted NaO6 octahedra that share corners with two equivalent P(1)N2O2 tetrahedra, corners with two equivalent P(2)N2O2 tetrahedra, corners with two equivalent P(3)N2O2 tetrahedra,  an edgeedge with one Na(3)O6 octahedra, and edges with two equivalent Na(1)O6 octahedra. Both Na(2)-O(1) bond lengths are 2.40 Å. Both Na(2)-O(3) bond lengths are 2.54 Å. Both Na(2)-O(6) bond lengths are 2.64 Å. In the third Na site, Na(3) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form distorted NaO6 octahedra that share corners with two equivalent P(1)N2O2 tetrahedra, corners with two equivalent P(2)N2O2 tetrahedra, corners with two equivalent P(3)N2O2 tetrahedra,  an edgeedge with one Na(2)O6 octahedra, and edges with two equivalent Na(1)O6 octahedra. Both Na(3)-O(1) bond lengths are 2.41 Å. Both Na(3)-O(4) bond lengths are 2.43 Å. Both Na(3)-O(5) bond lengths are 2.78 Å. In the fourth Na site, Na(4) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(5), and one O(6) atom. The Na(4)-O(2) bond length is 2.45 Å. The Na(4)-O(3) bond length is 2.39 Å. The Na(4)-O(5) bond length is 2.37 Å. The Na(4)-O(6) bond length is 2.52 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one N(1), one N(3), one O(1), and one O(2) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(2)O6 octahedra,  a cornercorner with one Na(3)O6 octahedra, corners with two equivalent Na(1)O6 octahedra,  a cornercorner with one P(2)N2O2 tetrahedra, and  a cornercorner with one P(3)N2O2 tetrahedra. The corner-sharing octahedral tilt angles range from 52-65°. The P(1)-N(1) bond length is 1.69 Å. The P(1)-N(3) bond length is 1.70 Å. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.51 Å. In the second P site, P(2) is bonded to one N(1), one N(2), one O(3), and one O(4) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra,  a cornercorner with one Na(2)O6 octahedra,  a cornercorner with one Na(3)O6 octahedra,  a cornercorner with one P(1)N2O2 tetrahedra, and  a cornercorner with one P(3)N2O2 tetrahedra. The corner-sharing octahedral tilt angles range from 54-65°. The P(2)-N(1) bond length is 1.70 Å. The P(2)-N(2) bond length is 1.69 Å. The P(2)-O(3) bond length is 1.52 Å. The P(2)-O(4) bond length is 1.52 Å. In the third P site, P(3) is bonded to one N(2), one N(3), one O(5), and one O(6) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra,  a cornercorner with one Na(2)O6 octahedra,  a cornercorner with one Na(3)O6 octahedra,  a cornercorner with one P(1)N2O2 tetrahedra, and  a cornercorner with one P(2)N2O2 tetrahedra. The corner-sharing octahedral tilt angles range from 58-71°. The P(3)-N(2) bond length is 1.69 Å. The P(3)-N(3) bond length is 1.70 Å. The P(3)-O(5) bond length is 1.51 Å. The P(3)-O(6) bond length is 1.53 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one P(1), one P(2), and one H(3) atom. The N(1)-H(3) bond length is 1.02 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one P(2), one P(3), and one H(4) atom. The N(2)-H(4) bond length is 1.03 Å. In the third N site, N(3) is bonded in a distorted trigonal non-coplanar geometry to one P(1), one P(3), and one H(5) atom. The N(3)-H(5) bond length is 1.03 Å. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. The H(1)-O(7) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(4) and one O(8) atom. The H(2)-O(4) bond length is 1.74 Å. The H(2)-O(8) bond length is 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one N(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Na(3), and one P(1) atom to form a mixture of distorted corner and edge-sharing ONa3P tetrahedra. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Na(4), and one P(1) atom. In the third O site, O(3) is bonded to one Na(1), one Na(2), one Na(4), and one P(2) atom to form a mixture of distorted corner and edge-sharing ONa3P tetrahedra. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(3), one P(2), and one H(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Na(4), and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Na(2), one Na(4), and one P(3) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to two equivalent Na(1) and two equivalent H(1) atoms. In the eighth O site, O(8) is bonded in a water-like geometry to two equivalent Na(1) and two equivalent H(2) atoms.