A stream of water molecules, held together by hydrogen bonding, forms a left‐handed helix within the helical channels of a left‐handed staircaselike metal coordination polymer. The result is a novel helix‐in‐a‐helix structure. The water‐filled channel can be seen on viewing the coordination polymer along the b axis (see picture; C gray, N blue, Ni green, O red).
A series of dinuclear Cu II complexes of reduced Schiff bases from substituted salicylaldehydes and amino acids have been synthesized and characterized. They are:cyclohexane-1-carboxylic acid; R = H and x = 1 (5), R = Cl and x = 2 (6), R = CH 3 and x = 2 (7)}, [Cu 2 (RSch12)
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