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Construction of Bis-pyrazole Based Co(II) Metal-Organic Frameworks and Exploration of Their Chirality and Magnetic Properties

Bhattacharya, Sudeshna and Goswami, Arijit and Gole, Bappaditya and Ganguly, Sumi and Bala, Sukhen and Sengupta, Satirtha and Khanra, Sumit and Mondal, Raju (2014) Construction of Bis-pyrazole Based Co(II) Metal-Organic Frameworks and Exploration of Their Chirality and Magnetic Properties. In: CRYSTAL GROWTH & DESIGN, 14 (6). pp. 2853-2865.

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Official URL: http://www.dx.doi.org/10.1021/cg500174g

Abstract

In continuation of our interest in pyrazole based multifunctional metal-organic frameworks (MOFs), we report herein the construction of a series of Co(II) MOFs using a bis-pyrazole ligand and various benzene polycarboxylic acids. Employment of different acids has resulted in different architectures ranging from a two-dimensional grid network, porous nanochannels with interesting double helical features such as supramolecular chicken wire, to three-dimensional diamondoid networks. One of the distinguishing features of the network is their larger dimensions which can be directly linked to a relatively larger size of the ligand molecule. Conformational flexibility of the ligand also plays a decisive role in determining both the dimensionality and topology of the final structure. Furthermore, chirality associated with helical networks and magnetic properties of two MOFs have also been investigated.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to AMER CHEMICAL SOC, USA.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Id for Latest eprints
Date Deposited: 14 Jul 2014 08:48
Last Modified: 14 Jul 2014 08:48
URI: http://eprints.iisc.ac.in/id/eprint/49424

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