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Issue 20, 2018
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Bulky substituent and solvent-induced alternative nodes for layered Cd–isophthalate/acylhydrazone frameworks

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Abstract

A series of three cadmium-based two-dimensional (2D) metal–organic frameworks, featuring 4-pyridinecarboxaldehyde isonicotinoyl hydrazone bridging pillars (pcih) and either 5-tert-butyl-substituted or non-substituted isophthalate linkers, have been prepared and characterized. Isophthalates with bulky tert-butyl substituents (tBu-iso2−) form two-dimensional (2D) frameworks with various metal node nuclearities: [Cd(tBu-iso)(pcih)(DMF)]n or [Cd2(tBu-iso)2(pcih)2]n, dependent on synthetic conditions; whereas, in contrast, unsubstituted isophthalates (iso2−) yield only the framework with dinuclear nodes [Cd2(iso)2(pcih)2]n, regardless of the conditions. Diverse nodes of interdigitated layers have a significant influence on the thermal stability and adsorption behavior of the materials.

Graphical abstract: Bulky substituent and solvent-induced alternative nodes for layered Cd–isophthalate/acylhydrazone frameworks

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Publication details

The article was received on 19 Feb 2018, accepted on 21 Apr 2018 and first published on 01 May 2018


Article type: Paper
DOI: 10.1039/C8CE00269J
Citation: CrystEngComm, 2018,20, 2841-2849
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    Bulky substituent and solvent-induced alternative nodes for layered Cd–isophthalate/acylhydrazone frameworks

    K. Roztocki, M. Lupa, M. Hodorowicz, I. Senkovska, S. Kaskel and D. Matoga, CrystEngComm, 2018, 20, 2841
    DOI: 10.1039/C8CE00269J

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