Materials Data on H6C2SO4 by Materials Project
(CH3)2SO4 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four dimethyl sulfate molecules. C2+ is bonded to three H1+ and one O2- atom to form CH3O tetrahedra that share a cornercorner with one SO4 tetrahedra. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. The C–O bond length is 1.46 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. S2- is bonded to four O2- atoms to form SO4 tetrahedra that share corners with two equivalent CH3O tetrahedra. There is two shorter (1.44 Å) and two longer (1.59 Å) S–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one S2- atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one C2+ and one S2- atom.