ErH2O13Cl3 crystallizes in the triclinic P-1 space group. Er(1) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(13), one O(2), one O(3), one O(5), one O(6), and one O(9) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(13) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(13) atom. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Er(1) and one Cl(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Cl(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(2) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cl(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Cl(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(3) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Cl(3) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cl(3) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(3) atom. In the thirteenth O site, O(13) is bonded in a distorted water-like geometry to one Er(1), one H(1), and one H(2) atom. There are three inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Cl site, Cl(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. In the third Cl site, Cl(3) is bonded in a tetrahedral geometry to one O(10), one O(11), one O(12), and one O(9) atom.
ErH2O13Cl3 crystallizes in the triclinic P-1 space group. Er(1) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(13), one O(2), one O(3), one O(5), one O(6), and one O(9) atom. The Er(1)-O(1) bond length is 2.37 Å. The Er(1)-O(12) bond length is 2.33 Å. The Er(1)-O(13) bond length is 2.30 Å. The Er(1)-O(2) bond length is 2.59 Å. The Er(1)-O(3) bond length is 2.40 Å. The Er(1)-O(5) bond length is 2.28 Å. The Er(1)-O(6) bond length is 2.29 Å. The Er(1)-O(9) bond length is 2.33 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(13) atom. The H(1)-O(13) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(13) atom. The H(2)-O(13) bond length is 0.98 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(1) atom. The O(1)-Cl(1) bond length is 1.48 Å. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Er(1) and one Cl(1) atom. The O(2)-Cl(1) bond length is 1.46 Å. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(1) atom. The O(3)-Cl(1) bond length is 1.47 Å. In the fourth O site, O(4) is bonded in a single-bond geometry to one Cl(1) atom. The O(4)-Cl(1) bond length is 1.43 Å. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(2) atom. The O(5)-Cl(2) bond length is 1.49 Å. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(2) atom. The O(6)-Cl(2) bond length is 1.49 Å. In the seventh O site, O(7) is bonded in a single-bond geometry to one Cl(2) atom. The O(7)-Cl(2) bond length is 1.43 Å. In the eighth O site, O(8) is bonded in a single-bond geometry to one Cl(2) atom. The O(8)-Cl(2) bond length is 1.43 Å. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(3) atom. The O(9)-Cl(3) bond length is 1.49 Å. In the tenth O site, O(10) is bonded in a single-bond geometry to one Cl(3) atom. The O(10)-Cl(3) bond length is 1.43 Å. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cl(3) atom. The O(11)-Cl(3) bond length is 1.43 Å. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Er(1) and one Cl(3) atom. The O(12)-Cl(3) bond length is 1.48 Å. In the thirteenth O site, O(13) is bonded in a distorted water-like geometry to one Er(1), one H(1), and one H(2) atom. There are three inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second Cl site, Cl(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. In the third Cl site, Cl(3) is bonded in a tetrahedral geometry to one O(10), one O(11), one O(12), and one O(9) atom.