Abstract
AbstractTwo novel coordination polymers [Zn(pa)(vim)2]n (1) and [Zn(pa)(eim)2]n (2) (pa=phthalic acid dianion, vim=1‐vinyl‐1H‐imidazole, eim=1‐ethyl‐1H‐imidazole) have been synthesized and their structures characterized by X‐ray single crystal diffractometry and elemental analysis. Both of the complexes consist of [Zn(L)2] (L=vim for 1; eim for 2) entities linked into polymeric zigzag chains along the crystallographic c‐axis by bridging phthalate anions in the µ2‐1,2 coordination mode. The coordination around each Zn(II) atom is tetrahedral. There are only van der Waals interactions between the chains in 1, while the three‐dimensional network in 2 is assembled by CH···O contacts. The electrochemical studies reveal that redoxes of Zn2+/Zn in complexes 1 and 2 are irreversible processes.
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