MoCoH2SeO7 crystallizes in the triclinic P-1 space group. Mo(1) is bonded in a 6-coordinate geometry to one O(2), one O(5), two equivalent O(1), and two equivalent O(3) atoms. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. In the second Co site, Co(2) is bonded in an octahedral geometry to two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) and one O(6) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(6) and one O(7) atom. Se(1) is bonded in a trigonal non-coplanar geometry to one O(3), one O(4), and one O(7) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Mo(1) and one Co(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mo(1) and one Co(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mo(1) and one Se(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(1), one H(1), and one Se(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to one Mo(1) and one Co(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(2), one H(1), and one H(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Co(2), one H(2), and one Se(1) atom.
MoCoH2SeO7 crystallizes in the triclinic P-1 space group. Mo(1) is bonded in a 6-coordinate geometry to one O(2), one O(5), two equivalent O(1), and two equivalent O(3) atoms. The Mo(1)-O(2) bond length is 1.78 Å. The Mo(1)-O(5) bond length is 1.76 Å. There is one shorter (1.91 Å) and one longer (2.17 Å) Mo(1)-O(1) bond length. There is one shorter (2.06 Å) and one longer (2.33 Å) Mo(1)-O(3) bond length. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. Both Co(1)-O(1) bond lengths are 2.22 Å. Both Co(1)-O(2) bond lengths are 2.11 Å. Both Co(1)-O(4) bond lengths are 2.09 Å. In the second Co site, Co(2) is bonded in an octahedral geometry to two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms. Both Co(2)-O(5) bond lengths are 2.17 Å. Both Co(2)-O(6) bond lengths are 1.98 Å. Both Co(2)-O(7) bond lengths are 2.19 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) and one O(6) atom. The H(1)-O(4) bond length is 1.72 Å. The H(1)-O(6) bond length is 0.99 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(6) and one O(7) atom. The H(2)-O(6) bond length is 1.00 Å. The H(2)-O(7) bond length is 1.66 Å. Se(1) is bonded in a trigonal non-coplanar geometry to one O(3), one O(4), and one O(7) atom. The Se(1)-O(3) bond length is 1.85 Å. The Se(1)-O(4) bond length is 1.71 Å. The Se(1)-O(7) bond length is 1.69 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Mo(1) and one Co(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mo(1) and one Co(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mo(1) and one Se(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(1), one H(1), and one Se(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to one Mo(1) and one Co(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Co(2), one H(1), and one H(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Co(2), one H(2), and one Se(1) atom.