Hydrogen bonding in the form of eight-membered {···HCNM}2 synthons is identified in the crystal structures of nickel and copper complexes. These C-H···M interactions lead to the formation of well-defined zero-, one- and even two-dimensional supramolecular aggregation patterns.

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A n e w m e t a l − o r g a n i c f r a m e w o r k , [Co 3 (BTC) 2 (Bimb) 3 (H 2 O) 2 ] n (KA@MOF-S), has been synthesized under hydrothermal conditions [H 3 BTC = 1,3,5-benzenetricarboxylic acid, Bimb = 1,4-bis[(1H-imidazol-1-yl)methyl]benzene] and characterized by singlecrystal X-ray diffraction (SC-XRD), elemental analysis, powder X-ray diffraction (PXRD), and Fourier-transform infrared spectroscopy (FT-IR).