Single Pentacene molecules on NaCl/Cu(111) have been imaged by nc-AFM and STM at 4K. Whereas the tunnelling current images resemble the electronic density of the molecular frontier orbitals (HOMO and LUMO) , nc-AFM can provide atomically resolved images when probing chemical forces .
 J. Repp et al.; PRL 94, 026803 (2005)
 L. Gross et al.; Science 325, 1110-4 (2009)