KNa2P3N3H7O8 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(5), and one O(7) atom. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(2), one O(4), one O(7), and two equivalent O(8) atoms to form distorted NaO6 octahedra that share  a cornercorner with one P(1)N2O2 tetrahedra,  a cornercorner with one P(2)N2O2 tetrahedra,  a cornercorner with one P(3)N2O2 tetrahedra,  an edgeedge with one Na(1)O6 octahedra, and edges with two equivalent Na(2)O6 octahedra. In the second Na site, Na(2) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(1) 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. There are three inequivalent P sites. In the first P site, P(1) is bonded to one N(1), one N(2), one O(1), and one O(3) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra, corners with two equivalent Na(2)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 54-61°. In the second P site, P(2) is bonded to one N(1), one N(3), one O(2), and one O(6) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra, corners with two equivalent Na(2)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 59-61°. In the third P site, P(3) is bonded to one N(2), one N(3), one O(4), and one O(5) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra, corners with two equivalent Na(2)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 52-61°. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal non-coplanar geometry to one P(1), one P(2), and one H(1) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one P(1), one P(3), and one H(2) atom. In the third N site, N(3) is bonded in a distorted trigonal non-coplanar geometry to one P(2), one P(3), and one H(3) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(8) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Na(1), two equivalent Na(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one K(1), one Na(1), one Na(2), and one P(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one K(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one P(3) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one K(1), one Na(2), and one P(3) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one Na(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one K(1), one Na(1), one H(4), and one H(5) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to two equivalent Na(1), one H(6), and one H(7) atom.
KNa2P3N3H7O8 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 4-coordinate geometry to one O(2), one O(3), one O(5), and one O(7) atom. The K(1)-O(2) bond length is 2.76 Å. The K(1)-O(3) bond length is 2.89 Å. The K(1)-O(5) bond length is 2.75 Å. The K(1)-O(7) bond length is 2.73 Å. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(2), one O(4), one O(7), and two equivalent O(8) atoms to form distorted NaO6 octahedra that share  a cornercorner with one P(1)N2O2 tetrahedra,  a cornercorner with one P(2)N2O2 tetrahedra,  a cornercorner with one P(3)N2O2 tetrahedra,  an edgeedge with one Na(1)O6 octahedra, and edges with two equivalent Na(2)O6 octahedra. The Na(1)-O(1) bond length is 2.39 Å. The Na(1)-O(2) bond length is 2.40 Å. The Na(1)-O(4) bond length is 2.40 Å. The Na(1)-O(7) bond length is 2.49 Å. There is one shorter (2.33 Å) and one longer (2.53 Å) Na(1)-O(8) bond length. In the second Na site, Na(2) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(1) 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. The Na(2)-O(2) bond length is 2.45 Å. The Na(2)-O(4) bond length is 2.41 Å. The Na(2)-O(5) bond length is 2.47 Å. The Na(2)-O(6) bond length is 2.82 Å. There is one shorter (2.45 Å) and one longer (2.48 Å) Na(2)-O(1) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded to one N(1), one N(2), one O(1), and one O(3) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra, corners with two equivalent Na(2)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 54-61°. The P(1)-N(1) bond length is 1.70 Å. The P(1)-N(2) bond length is 1.69 Å. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(3) bond length is 1.53 Å. In the second P site, P(2) is bonded to one N(1), one N(3), one O(2), and one O(6) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra, corners with two equivalent Na(2)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 59-61°. The P(2)-N(1) bond length is 1.69 Å. The P(2)-N(3) bond length is 1.71 Å. The P(2)-O(2) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.52 Å. In the third P site, P(3) is bonded to one N(2), one N(3), one O(4), and one O(5) atom to form PN2O2 tetrahedra that share  a cornercorner with one Na(1)O6 octahedra, corners with two equivalent Na(2)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 52-61°. The P(3)-N(2) bond length is 1.70 Å. The P(3)-N(3) bond length is 1.71 Å. The P(3)-O(4) bond length is 1.52 Å. The P(3)-O(5) bond length is 1.51 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal non-coplanar geometry to one P(1), one P(2), and one H(1) atom. The N(1)-H(1) bond length is 1.04 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one P(1), one P(3), and one H(2) atom. The N(2)-H(2) 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(2), one P(3), and one H(3) atom. The N(3)-H(3) bond length is 1.03 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(7) atom. The H(4)-O(7) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(7) atom. The H(5)-O(7) bond length is 0.98 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(8) atom. The H(6)-O(8) bond length is 0.98 Å. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(8) atom. The H(7)-O(8) bond length is 1.00 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Na(1), two equivalent Na(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one K(1), one Na(1), one Na(2), and one P(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one K(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one P(3) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one K(1), one Na(2), and one P(3) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one Na(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one K(1), one Na(1), one H(4), and one H(5) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to two equivalent Na(1), one H(6), and one H(7) atom.