Zn4P2H3O10 crystallizes in the monoclinic P2/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. In the second Zn site, Zn(2) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(5) atom. In the third Zn site, Zn(3) is bonded in a distorted square co-planar geometry to two equivalent O(4) and two equivalent O(5) atoms. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. In the second H site, H(2) is bonded in a linear geometry to two equivalent O(1) atoms. There are five inequivalent O sites. In the first O site, O(5) is bonded in a trigonal planar geometry to one Zn(1), one Zn(2), and one Zn(3) atom. In the second O site, O(1) is bonded in a trigonal planar geometry to one Zn(2), one P(1), and one H(2) atom. In the third O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Zn(2), one P(1), and one H(1) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to one Zn(1) and one P(1) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to one Zn(1), one Zn(3), and one P(1) atom.
Zn4P2H3O10 crystallizes in the monoclinic P2/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 6-coordinate geometry to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. Both Zn(1)-O(3) bond lengths are 2.44 Å. Both Zn(1)-O(4) bond lengths are 2.46 Å. Both Zn(1)-O(5) bond lengths are 1.92 Å. In the second Zn site, Zn(2) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(5) atom. The Zn(2)-O(1) bond length is 2.03 Å. The Zn(2)-O(2) bond length is 2.19 Å. The Zn(2)-O(5) bond length is 1.88 Å. In the third Zn site, Zn(3) is bonded in a distorted square co-planar geometry to two equivalent O(4) and two equivalent O(5) atoms. Both Zn(3)-O(4) bond lengths are 2.37 Å. Both Zn(3)-O(5) bond lengths are 1.88 Å. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The P(1)-O(1) bond length is 1.60 Å. The P(1)-O(2) bond length is 1.68 Å. The P(1)-O(3) bond length is 1.51 Å. The P(1)-O(4) bond length is 1.51 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.99 Å. In the second H site, H(2) is bonded in a linear geometry to two equivalent O(1) atoms. Both H(2)-O(1) bond lengths are 1.21 Å. There are five inequivalent O sites. In the first O site, O(5) is bonded in a trigonal planar geometry to one Zn(1), one Zn(2), and one Zn(3) atom. In the second O site, O(1) is bonded in a trigonal planar geometry to one Zn(2), one P(1), and one H(2) atom. In the third O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Zn(2), one P(1), and one H(1) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to one Zn(1) and one P(1) atom. In the fifth O site, O(4) is bonded in a distorted single-bond geometry to one Zn(1), one Zn(3), and one P(1) atom.