PrC3H4O8H2O crystallizes in the triclinic P-1 space group. The structure consists of two water molecules inside a PrC3H4O8 framework. In the PrC3H4O8 framework, Pr(1) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(7), one O(8), one O(9), and two equivalent O(6) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(7) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(3) atom. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(8) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(9) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one O(8) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a distorted single-bond geometry to one Pr(1) and one C(1) atom. In the second O site, O(8) is bonded in a distorted water-like geometry to one Pr(1), one H(1), and one H(5) atom. In the third O site, O(9) is bonded in a distorted water-like geometry to one Pr(1), one H(2), and one H(3) atom. In the fourth O site, O(1) is bonded in a distorted single-bond geometry to one Pr(1) and one C(2) atom. In the fifth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Pr(1) and one C(2) atom. In the sixth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Pr(1) and one C(1) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one Pr(1) and one C(3) atom. In the eighth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Pr(1) and one C(3) atom.
PrC3H4O8H2O crystallizes in the triclinic P-1 space group. The structure consists of two water molecules inside a PrC3H4O8 framework. In the PrC3H4O8 framework, Pr(1) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(7), one O(8), one O(9), and two equivalent O(6) atoms. The Pr(1)-O(1) bond length is 2.53 Å. The Pr(1)-O(3) bond length is 2.48 Å. The Pr(1)-O(4) bond length is 2.50 Å. The Pr(1)-O(5) bond length is 2.52 Å. The Pr(1)-O(7) bond length is 2.57 Å. The Pr(1)-O(8) bond length is 2.54 Å. The Pr(1)-O(9) bond length is 2.51 Å. There is one shorter (2.64 Å) and one longer (2.67 Å) Pr(1)-O(6) bond length. There are three inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(7) atom. The C(1)-O(4) bond length is 1.27 Å. The C(1)-O(7) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(3) atom. The C(2)-O(1) bond length is 1.27 Å. The C(2)-O(3) bond length is 1.26 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(3)-O(5) bond length is 1.26 Å. The C(3)-O(6) bond length is 1.27 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(8) atom. The H(1)-O(8) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. The H(2)-O(9) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(9) atom. The H(3)-O(9) bond length is 0.98 Å. In the fourth H site, H(5) is bonded in a single-bond geometry to one O(8) atom. The H(5)-O(8) bond length is 0.99 Å. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a distorted single-bond geometry to one Pr(1) and one C(1) atom. In the second O site, O(8) is bonded in a distorted water-like geometry to one Pr(1), one H(1), and one H(5) atom. In the third O site, O(9) is bonded in a distorted water-like geometry to one Pr(1), one H(2), and one H(3) atom. In the fourth O site, O(1) is bonded in a distorted single-bond geometry to one Pr(1) and one C(2) atom. In the fifth O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Pr(1) and one C(2) atom. In the sixth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Pr(1) and one C(1) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one Pr(1) and one C(3) atom. In the eighth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Pr(1) and one C(3) atom.