Figure 4.
Space-filling models of B(N) (a) viewed from the top of the nitrene and (b) viewed from the side. Space-filling models of A′(N) (c) viewed from the top of the nitrene and (d) viewed from the side. Color code: silver, gray; sulfur, yellow; fluorine, green; oxygen, red; nitrogen, blue; carbon, black; and hydrogen, white.