Fig. 2: Helical CNT molecules.
From: Stereoselectivity in spontaneous assembly of rolled incommensurate carbon bilayers

Chemical structures of small-bore [3]CdbC molecules and large-bore [4]CF molecules.
From: Stereoselectivity in spontaneous assembly of rolled incommensurate carbon bilayers

Chemical structures of small-bore [3]CdbC molecules and large-bore [4]CF molecules.