A three-dimensional porous metal–organic framework [Fe2L3·(DMF)7·(C4H10O)0.5] constructed from triple-helices {L = bis[2,4-dihydroxybenzaldehyde]hydrazone}

Abstract
A novel 3-D large porous metal–organic framework was achieved from triple metal helices via π–π stacking interactions between the aromatic groups of the helices.