Lee Martin, Scott S. Turner, Peter Day, Frank E. Mabbs and Eric J. L. McInnes
The molecular charge-transfer salt β″-(bedt-ttf)4[(H2O)Cr(C2O 4)3]·PhCN [bedt-ttf = bis(ethylenedithio)tetrathiafulvalene], containing paramagnetic CrIII ions (S = 3/2), is a superconductor with Tc = 6.0(5) K.