An unprecedented all helical 3D network and a rarely observed non-interpenetrated octahedral network in homochiral Cu(II) MOFs: effect of steric bulk and π–π stacking interactions of the ligand backbone
Two bis-pyridyl-bis-amide based chiral ligands derived from L-phenylalanine and L-alanine resulted in an unprecedented all helical 3D network and a rarely observed microporous octahedral network in the corresponding homochiral Cu(II) MOFs. This remarkable structural difference displays the effect of amino acid side chain and ligating topology of the ligands on the supramolecular structures in these MOFs.
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