K2MgV2Mn3(HO5)2 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 9-coordinate geometry to one Mg(1), two equivalent H(1), one O(2), one O(3), one O(4), and three equivalent O(5) atoms. Mg(1) is bonded in a square co-planar geometry to two equivalent K(1), two equivalent O(4), and two equivalent O(5) atoms. V(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form VO4 tetrahedra that share corners with two equivalent Mn(2)O6 octahedra and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-67°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form MnO6 octahedra that share corners with four equivalent V(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with four equivalent V(1)O4 tetrahedra and edges with four equivalent Mn(1)O6 octahedra. H(1) is bonded in a single-bond geometry to two equivalent K(1), one O(1), and one O(5) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Mn(2), two equivalent Mn(1), and one H(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(1), one V(1), and two equivalent Mn(1) atoms. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one V(1), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one K(1), one Mg(1), one V(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to three equivalent K(1), one Mg(1), one V(1), and one H(1) atom.
K2MgV2Mn3(HO5)2 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 9-coordinate geometry to one Mg(1), two equivalent H(1), one O(2), one O(3), one O(4), and three equivalent O(5) atoms. The K(1)-Mg(1) bond length is 2.87 Å. There is one shorter (2.66 Å) and one longer (2.95 Å) K(1)-H(1) bond length. The K(1)-O(2) bond length is 2.73 Å. The K(1)-O(3) bond length is 2.75 Å. The K(1)-O(4) bond length is 3.03 Å. There are a spread of K(1)-O(5) bond distances ranging from 2.66-2.90 Å. Mg(1) is bonded in a square co-planar geometry to two equivalent K(1), two equivalent O(4), and two equivalent O(5) atoms. Both Mg(1)-O(4) bond lengths are 2.08 Å. Both Mg(1)-O(5) bond lengths are 1.99 Å. V(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form VO4 tetrahedra that share corners with two equivalent Mn(2)O6 octahedra and corners with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-67°. The V(1)-O(2) bond length is 1.81 Å. The V(1)-O(3) bond length is 1.80 Å. The V(1)-O(4) bond length is 1.91 Å. The V(1)-O(5) bond length is 1.87 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form MnO6 octahedra that share corners with four equivalent V(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The Mn(1)-O(3) bond length is 2.24 Å. The Mn(1)-O(4) bond length is 2.25 Å. There is one shorter (2.22 Å) and one longer (2.25 Å) Mn(1)-O(1) bond length. There is one shorter (2.23 Å) and one longer (2.25 Å) Mn(1)-O(2) bond length. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with four equivalent V(1)O4 tetrahedra and edges with four equivalent Mn(1)O6 octahedra. Both Mn(2)-O(1) bond lengths are 2.11 Å. Both Mn(2)-O(3) bond lengths are 2.21 Å. Both Mn(2)-O(4) bond lengths are 2.55 Å. H(1) is bonded in a single-bond geometry to two equivalent K(1), one O(1), and one O(5) atom. The H(1)-O(1) bond length is 1.00 Å. The H(1)-O(5) bond length is 1.71 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Mn(2), two equivalent Mn(1), and one H(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one K(1), one V(1), and two equivalent Mn(1) atoms. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one V(1), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one K(1), one Mg(1), one V(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to three equivalent K(1), one Mg(1), one V(1), and one H(1) atom.