La2P3H7O11 crystallizes in the triclinic P-1 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(6), one O(7), one O(9), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(4), one O(8), and two equivalent O(2) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a distorted tetrahedral geometry to one H(5), one O(11), one O(2), and one O(7) atom. In the second P site, P(2) is bonded in a distorted tetrahedral geometry to one H(7), one O(3), one O(4), and one O(5) atom. In the third P site, P(3) is bonded in a distorted tetrahedral geometry to one H(3), one O(1), one O(10), and one O(6) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) 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 P(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one P(1) 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 single-bond geometry to one P(2) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent La(2) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one La(2) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent La(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one La(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one La(2), one H(4), and one H(6) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one La(1), one H(1), and one H(2) atom. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to one La(1), one La(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(1) atom.
La2P3H7O11 crystallizes in the triclinic P-1 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(6), one O(7), one O(9), and two equivalent O(5) atoms. The La(1)-O(1) bond length is 2.62 Å. The La(1)-O(10) bond length is 2.71 Å. The La(1)-O(11) bond length is 2.56 Å. The La(1)-O(3) bond length is 2.98 Å. The La(1)-O(6) bond length is 2.50 Å. The La(1)-O(7) bond length is 2.38 Å. The La(1)-O(9) bond length is 2.69 Å. There is one shorter (2.49 Å) and one longer (2.63 Å) La(1)-O(5) bond length. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(4), one O(8), and two equivalent O(2) atoms. The La(2)-O(1) bond length is 2.60 Å. The La(2)-O(10) bond length is 2.46 Å. The La(2)-O(11) bond length is 2.69 Å. The La(2)-O(3) bond length is 2.52 Å. The La(2)-O(4) bond length is 2.38 Å. The La(2)-O(8) bond length is 2.74 Å. There is one shorter (2.44 Å) and one longer (2.67 Å) La(2)-O(2) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded in a distorted tetrahedral geometry to one H(5), one O(11), one O(2), and one O(7) atom. The P(1)-H(5) bond length is 1.41 Å. The P(1)-O(11) bond length is 1.55 Å. The P(1)-O(2) bond length is 1.55 Å. The P(1)-O(7) bond length is 1.52 Å. In the second P site, P(2) is bonded in a distorted tetrahedral geometry to one H(7), one O(3), one O(4), and one O(5) atom. The P(2)-H(7) bond length is 1.41 Å. The P(2)-O(3) bond length is 1.54 Å. The P(2)-O(4) bond length is 1.52 Å. The P(2)-O(5) bond length is 1.56 Å. In the third P site, P(3) is bonded in a distorted tetrahedral geometry to one H(3), one O(1), one O(10), and one O(6) atom. The P(3)-H(3) bond length is 1.41 Å. The P(3)-O(1) bond length is 1.56 Å. The P(3)-O(10) bond length is 1.53 Å. The P(3)-O(6) bond length is 1.53 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. The H(1)-O(9) 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 P(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(8) atom. The H(4)-O(8) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one P(1) atom. 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 single-bond geometry to one P(2) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent La(2) and one P(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one La(2) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent La(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one La(1) and one P(1) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one La(2), one H(4), and one H(6) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one La(1), one H(1), and one H(2) atom. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to one La(1), one La(2), and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one P(1) atom.