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Aromatic annulene adsorbed on SWCNT walls. Exemplified for NiTMTAA and zigzag SWNTs: (a, b) (14, 0); (c) (16, 0); (d) (13, 0); (e) (12, 0); (f) (9, 0); and (g) (8, 0). Side view (a) and cross sections (b–g). Atom coloring: carbon, black (nanotube) and light-blue (complex); hydrogen, white; nitrogen [60].
