R. Hoppenheit et al., A SULFUR NITROGEN TRIPLE, DOUBLE AND SINGLE BOND IN ONE LIGAND - SYNTHESIS AND STRUCTURE OF [CO(N-SF2-N=S(O)F-2)(4)][ASF6](2)CENTER-DOT-SO2, Chemical communications, (17), 1997, pp. 1659-1660
NSF2NS(O)F-2 reacts quantitatively with [Co(SO2)(n)][ASF(6)](2) to giv
e [Co{N drop SF2-N=S(O)F-2}(4)][AsF6](2) . SO2; X-ray structure analys
is confirms the presence of a triple, double and single bond in the sa
me ligand.