NdCP2H2O6 crystallizes in the monoclinic C2/m space group. Nd(1) is bonded in a 8-coordinate geometry to two equivalent O(2), two equivalent O(3), and four equivalent O(1) atoms. C(1) is bonded in a distorted tetrahedral geometry to two equivalent P(1), one H(1), and one H(2) atom. P(1) is bonded to one C(1), one O(1), one O(2), and one O(3) atom to form corner-sharing PCO3 tetrahedra. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. There are three inequivalent O sites. In the first O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one P(1) atom. In the second O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Nd(1) and one P(1) atom. In the third O site, O(2) is bonded in a distorted water-like geometry to one Nd(1) and one P(1) atom.
NdCP2H2O6 crystallizes in the monoclinic C2/m space group. Nd(1) is bonded in a 8-coordinate geometry to two equivalent O(2), two equivalent O(3), and four equivalent O(1) atoms. Both Nd(1)-O(2) bond lengths are 2.52 Å. Both Nd(1)-O(3) bond lengths are 2.38 Å. There are two shorter (2.43 Å) and two longer (2.60 Å) Nd(1)-O(1) bond lengths. C(1) is bonded in a distorted tetrahedral geometry to two equivalent P(1), one H(1), and one H(2) atom. Both C(1)-P(1) bond lengths are 1.81 Å. The C(1)-H(1) bond length is 1.10 Å. The C(1)-H(2) bond length is 1.10 Å. P(1) is bonded to one C(1), one O(1), one O(2), and one O(3) atom to form corner-sharing PCO3 tetrahedra. The P(1)-O(1) bond length is 1.56 Å. The P(1)-O(2) bond length is 1.56 Å. The P(1)-O(3) bond length is 1.52 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. There are three inequivalent O sites. In the first O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one P(1) atom. In the second O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Nd(1) and one P(1) atom. In the third O site, O(2) is bonded in a distorted water-like geometry to one Nd(1) and one P(1) atom.