Issue 5, 2009
From the journal:

CrystEngComm

Metal–organic frameworks derived from bis-pyridyl-bis-amide ligands :  Effect of positional isomerism of the ligands, hydrogen bonding backbone, counter anions on the supramolecular structures and selective crystallization of the sulfate anion†

N. N. Adarsh,a   D. Krishna Kumara  and  Parthasarathi Dastidar*a  

* Corresponding authors

a Department of Organic Chemistry, Indian Association for the Cultivation of Science, 2A & 2B Raja S C Mullick Road, Javapur, West Bengal
E-mail: parthod123@rediffmail.com, ocpd@iacs.res.in

Abstract

Three new metal–organic frameworks, namely [Co(μ-L1)2(Cl)2]n1, [Cd(µ-L1)2(NO3)2]n2 and [{Co(μ-L1′)(H2O)4}.SO4·3(H2O)]n3 (L1 = N,N′-bis-(4-pyridyl)isophthalamide, L1′ = N,N′-bis-(3-pyridyl)isophthalamide) have been synthesized and characterized. The single crystal structures of 1–3 and the free ligand L1 are discussed in the context of the effect of positional isomerism of the ligands, hydrogen bonding backbone and counter anions on the supramolecular structural diversities observed in these MOFs. Selective crystallization of the sulfate anion from a mixture of L1′, CoSO4, Co(NO3)2, Co(ClO4)2, Co(OAc)2, Co(BF4)2 was evident from the isolation of 3 which was confirmed by powder X-ray diffraction, elemental analysis and IR data.

Graphical abstract: Metal–organic frameworks derived from bis-pyridyl-bis-amide ligands :  Effect of positional isomerism of the ligands, hydrogen bonding backbone, counter anions on the supramolecular structures and selective crystallization of the sulfate anion

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Article information

DOI
https://doi.org/10.1039/B816221B
Article type
Paper
Submitted
16 Sep 2008
Accepted
02 Dec 2008
First published
22 Jan 2009

CrystEngComm, 2009,11, 796-802

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Metal–organic frameworks derived from bis-pyridyl-bis-amide ligands :  Effect of positional isomerism of the ligands, hydrogen bonding backbone, counter anions on the supramolecular structures and selective crystallization of the sulfate anion

N. N. Adarsh, D. K. Kumar and P. Dastidar, CrystEngComm, 2009, 11, 796 DOI: 10.1039/B816221B

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