V3H5O8 is Potassium Silver Cyanide-derived structured and crystallizes in the monoclinic Cm space group. There are three inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the second V site, V(2) is bonded to one O(3), one O(7), two equivalent O(5), and two equivalent O(8) atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 1°. In the third V site, V(3) is bonded to one O(4), one O(8), two equivalent O(6), and two equivalent O(7) atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 7°. There are five inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(6) atom. In the second H site, H(2) is bonded in a linear geometry to one O(1) and one O(2) atom. In the third H site, H(3) is bonded in a linear geometry to one O(2) and one O(5) atom. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(5) and one O(8) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(6) and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to two equivalent V(1), one H(1), and one H(2) atom to form distorted corner-sharing OV2H2 tetrahedra. In the second O site, O(2) is bonded in a distorted water-like geometry to two equivalent V(1), one H(2), and one H(3) atom. In the third O site, O(3) is bonded in a linear geometry to one V(1) and one V(2) atom. In the fourth O site, O(4) is bonded in a linear geometry to one V(1) and one V(3) atom. In the fifth O site, O(5) is bonded to two equivalent V(2), one H(3), and one H(4) atom to form distorted OV2H2 tetrahedra that share corners with two equivalent O(5)V2H2 tetrahedra, corners with two equivalent O(7)V3H tetrahedra, corners with three equivalent O(8)V3H tetrahedra, and  an edgeedge with one O(8)V3H tetrahedra. In the sixth O site, O(6) is bonded to two equivalent V(3), one H(1), and one H(5) atom to form distorted OV2H2 tetrahedra that share  a cornercorner with one O(1)V2H2 tetrahedra, corners with two equivalent O(6)V2H2 tetrahedra, corners with two equivalent O(8)V3H tetrahedra, corners with three equivalent O(7)V3H tetrahedra, and  an edgeedge with one O(7)V3H tetrahedra. In the seventh O site, O(7) is bonded to one V(2), two equivalent V(3), and one H(5) atom to form distorted OV3H tetrahedra that share corners with two equivalent O(5)V2H2 tetrahedra, corners with two equivalent O(7)V3H tetrahedra, corners with three equivalent O(6)V2H2 tetrahedra,  an edgeedge with one O(6)V2H2 tetrahedra, and edges with two equivalent O(8)V3H tetrahedra. In the eighth O site, O(8) is bonded to one V(3), two equivalent V(2), and one H(4) atom to form distorted OV3H tetrahedra that share corners with two equivalent O(6)V2H2 tetrahedra, corners with two equivalent O(8)V3H tetrahedra, corners with three equivalent O(5)V2H2 tetrahedra,  an edgeedge with one O(5)V2H2 tetrahedra, and edges with two equivalent O(7)V3H tetrahedra.
V3H5O8 is Potassium Silver Cyanide-derived structured and crystallizes in the monoclinic Cm space group. There are three inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles range from 1-7°. The V(1)-O(3) bond length is 1.88 Å. The V(1)-O(4) bond length is 1.90 Å. Both V(1)-O(1) bond lengths are 2.00 Å. Both V(1)-O(2) bond lengths are 2.09 Å. In the second V site, V(2) is bonded to one O(3), one O(7), two equivalent O(5), and two equivalent O(8) atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 1°. The V(2)-O(3) bond length is 1.73 Å. The V(2)-O(7) bond length is 2.00 Å. Both V(2)-O(5) bond lengths are 2.06 Å. Both V(2)-O(8) bond lengths are 1.97 Å. In the third V site, V(3) is bonded to one O(4), one O(8), two equivalent O(6), and two equivalent O(7) atoms to form a mixture of edge and corner-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 7°. The V(3)-O(4) bond length is 1.73 Å. The V(3)-O(8) bond length is 2.02 Å. Both V(3)-O(6) bond lengths are 2.03 Å. Both V(3)-O(7) bond lengths are 1.98 Å. There are five inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(6) atom. The H(1)-O(1) bond length is 1.03 Å. The H(1)-O(6) bond length is 1.50 Å. In the second H site, H(2) is bonded in a linear geometry to one O(1) and one O(2) atom. The H(2)-O(1) bond length is 1.49 Å. The H(2)-O(2) bond length is 1.03 Å. In the third H site, H(3) is bonded in a linear geometry to one O(2) and one O(5) atom. The H(3)-O(2) bond length is 1.08 Å. The H(3)-O(5) bond length is 1.37 Å. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(5) and one O(8) atom. The H(4)-O(5) bond length is 1.01 Å. The H(4)-O(8) bond length is 1.58 Å. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(6) and one O(7) atom. The H(5)-O(6) bond length is 1.01 Å. The H(5)-O(7) bond length is 1.59 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded to two equivalent V(1), one H(1), and one H(2) atom to form distorted corner-sharing OV2H2 tetrahedra. In the second O site, O(2) is bonded in a distorted water-like geometry to two equivalent V(1), one H(2), and one H(3) atom. In the third O site, O(3) is bonded in a linear geometry to one V(1) and one V(2) atom. In the fourth O site, O(4) is bonded in a linear geometry to one V(1) and one V(3) atom. In the fifth O site, O(5) is bonded to two equivalent V(2), one H(3), and one H(4) atom to form distorted OV2H2 tetrahedra that share corners with two equivalent O(5)V2H2 tetrahedra, corners with two equivalent O(7)V3H tetrahedra, corners with three equivalent O(8)V3H tetrahedra, and  an edgeedge with one O(8)V3H tetrahedra. In the sixth O site, O(6) is bonded to two equivalent V(3), one H(1), and one H(5) atom to form distorted OV2H2 tetrahedra that share  a cornercorner with one O(1)V2H2 tetrahedra, corners with two equivalent O(6)V2H2 tetrahedra, corners with two equivalent O(8)V3H tetrahedra, corners with three equivalent O(7)V3H tetrahedra, and  an edgeedge with one O(7)V3H tetrahedra. In the seventh O site, O(7) is bonded to one V(2), two equivalent V(3), and one H(5) atom to form distorted OV3H tetrahedra that share corners with two equivalent O(5)V2H2 tetrahedra, corners with two equivalent O(7)V3H tetrahedra, corners with three equivalent O(6)V2H2 tetrahedra,  an edgeedge with one O(6)V2H2 tetrahedra, and edges with two equivalent O(8)V3H tetrahedra. In the eighth O site, O(8) is bonded to one V(3), two equivalent V(2), and one H(4) atom to form distorted OV3H tetrahedra that share corners with two equivalent O(6)V2H2 tetrahedra, corners with two equivalent O(8)V3H tetrahedra, corners with three equivalent O(5)V2H2 tetrahedra,  an edgeedge with one O(5)V2H2 tetrahedra, and edges with two equivalent O(7)V3H tetrahedra.