PbHPO4 crystallizes in the monoclinic Pc space group. Pb(1) is bonded in a 4-coordinate geometry to two equivalent O(3) and two equivalent O(4) atoms. P(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. H(1) is bonded in a linear geometry to one O(1) and one O(2) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one P(1) and one H(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(1) and one H(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Pb(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Pb(1) and one P(1) atom.
PbHPO4 crystallizes in the monoclinic Pc space group. Pb(1) is bonded in a 4-coordinate geometry to two equivalent O(3) and two equivalent O(4) atoms. There is one shorter (2.39 Å) and one longer (2.55 Å) Pb(1)-O(3) bond length. There is one shorter (2.43 Å) and one longer (2.52 Å) Pb(1)-O(4) bond length. 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 1.56 Å. The P(1)-O(2) bond length is 1.59 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.55 Å. H(1) is bonded in a linear geometry to one O(1) and one O(2) atom. The H(1)-O(1) bond length is 1.29 Å. The H(1)-O(2) bond length is 1.13 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one P(1) and one H(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(1) and one H(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Pb(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Pb(1) and one P(1) atom.