Issue 37, 2017

Nickel(ii) metal–organic frameworks with N,N′-di(4-pyridyl)-naphthalenediimide ligands: influence of secondary building unit geometry on dimensionality and framework dimensions

Abstract

When Ni(NO3)2·6H2O and N,N′-di(4-pyridyl)-1,4,5,8-naphthalenetetracarboxydiimide (DPNDI) are reacted, a one-dimensional coordination polymer (1) is formed. However, analogous reactions with either terephthalic acid (2) or 2,6-naphthalenedicarboxylic acid (3) and DPNDI affords two-dimensional, pillared metal–organic frameworks. 2 and 3 contain rectangular voids of different dimensions which are dictated by the carboxylate ligand and the arrangement of the {[M(k2-O2NO)]22-O2CR)2} secondary building unit (SBU) that forms the nodes of the framework. The role of SBU geometry, intermolecular face-to-face π–π and lone pair–π interactions involving the DPNDI ligands are discussed.

Graphical abstract: Nickel(ii) metal–organic frameworks with N,N′-di(4-pyridyl)-naphthalenediimide ligands: influence of secondary building unit geometry on dimensionality and framework dimensions

Supplementary files

Article information

Article type
Paper
Submitted
19 May 2017
Accepted
25 Aug 2017
First published
05 Sep 2017

CrystEngComm, 2017,19, 5558-5564

Nickel(II) metal–organic frameworks with N,N′-di(4-pyridyl)-naphthalenediimide ligands: influence of secondary building unit geometry on dimensionality and framework dimensions

C. R. Pfeiffer, N. Biggins, W. Lewis and N. R. Champness, CrystEngComm, 2017, 19, 5558 DOI: 10.1039/C7CE00956A

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