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Issue 26, 2018
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Controlling the crystal growth of potassium iodide with a 1,1′-bis(pyridin-4-ylmethyl)-2,2′-biimidazole ligand (L) – formation of a linear [K4I4L4]n polymer with cubic [K4I4] core units

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Abstract

The crystal growth of potassium iodide was controlled by using the neutral organic 1,1′-bis(pyridin-4-ylmethyl)-2,2′-biimidazole (L) ligand as a modifier. The selected modifier allows the preservation of original cubic [K4I4] units and their arrangement into a linear ligand-supported 1D chain. The supported [K4I4] cubes are only slightly distorted compared to the cubes found in pure KI salt. The N–K binding of the ligand to the KI salt, as well as weak I⋯H, N⋯H, and N⋯I interactions, stabilizes the structure to create a unique 1D polymer of neutral potassium iodide ionic salt inside the [K4I4L4]n complex.

Graphical abstract: Controlling the crystal growth of potassium iodide with a 1,1′-bis(pyridin-4-ylmethyl)-2,2′-biimidazole ligand (L) – formation of a linear [K4I4L4]n polymer with cubic [K4I4] core units

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Publication details

The article was received on 29 Mar 2018, accepted on 15 May 2018 and first published on 16 May 2018


Article type: Communication
DOI: 10.1039/C8CE00483H
Citation: CrystEngComm, 2018,20, 3631-3633
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    Controlling the crystal growth of potassium iodide with a 1,1′-bis(pyridin-4-ylmethyl)-2,2′-biimidazole ligand (L) – formation of a linear [K4I4L4]n polymer with cubic [K4I4] core units

    M. Bulatova, R. Tatikonda, P. Hirva, E. Bulatov, E. Sievänen and M. Haukka, CrystEngComm, 2018, 20, 3631
    DOI: 10.1039/C8CE00483H

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