LiMnPO4(OH) crystallizes in the triclinic P-1 space group. Li(1) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(4) atom. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 2-coordinate geometry to two equivalent H(1) atoms. In the second Mn site, Mn(2) is bonded in a 4-coordinate geometry to two equivalent P(1) and two equivalent O(3) atoms. P(1) is bonded in a 2-coordinate geometry to one Mn(2), one H(1), one O(2), and one O(5) atom. H(1) is bonded in a 2-coordinate geometry to one Mn(1) and one P(1) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one O(3) and one O(4) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Li(1) and one P(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Mn(2) and one O(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one O(1), and one O(4) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one P(1) atom.
LiMnPO4(OH) crystallizes in the triclinic P-1 space group. Li(1) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(4) atom. The Li(1)-O(2) bond length is 1.79 Å. The Li(1)-O(4) bond length is 2.16 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 2-coordinate geometry to two equivalent H(1) atoms. Both Mn(1)-H(1) bond lengths are 1.76 Å. In the second Mn site, Mn(2) is bonded in a 4-coordinate geometry to two equivalent P(1) and two equivalent O(3) atoms. Both Mn(2)-P(1) bond lengths are 2.12 Å. Both Mn(2)-O(3) bond lengths are 2.64 Å. P(1) is bonded in a 2-coordinate geometry to one Mn(2), one H(1), one O(2), and one O(5) atom. The P(1)-H(1) bond length is 1.39 Å. The P(1)-O(2) bond length is 1.67 Å. The P(1)-O(5) bond length is 1.27 Å. H(1) is bonded in a 2-coordinate geometry to one Mn(1) and one P(1) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one O(3) and one O(4) atom. The O(1)-O(3) bond length is 1.92 Å. The O(1)-O(4) bond length is 1.26 Å. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Li(1) and one P(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Mn(2) and one O(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one O(1), and one O(4) atom. The O(4)-O(4) bond length is 1.63 Å. In the fifth O site, O(5) is bonded in a single-bond geometry to one P(1) atom.