SEARCH Articles Figures Tables Alkali and alkaline-earth metal complexes with inverse crown structures Chiral crown ether, structure Crown ether structural features Crown ether structural types Crown ether structure Crown ethers complex structures Crown ethers structural effects Inverse crown structures Inverse crown structures magnesium Magnesium, 15-crown-4-xylylchlorocrystal structure Magnesium, diethyl18-crown-6 complex crystal structure Structural effects crown ether complex formation Structure of crown Structure of macrocyclic polyether 18-crown Trees crown structure