sp3−sp2s p^{3}-s p^{2}sp3−sp2
sp3−sps p^{3}-s psp3−sp
sp2−sp2s p^{2}-s p^{2}sp2−sp2
sp2−spp3\mathrm{sp}^{2}-\mathrm{sp} \mathrm{p}^{3}sp2−spp3