High hydride count rhodium octahedra, [Rh6(PR3)6H12][BArF4]2: synthesis, structures, and reversible hydrogen uptake under mild conditions. - Brayshaw, S; Ingleson, M; Green, J; McIndoe, J; Raithby, P; Kociok-Köhn, G; Weller, A (Journal of the American Chemical Society, 2006)