Issue 42, 2021

Crystalline Cu(ii) metal–organic frameworks based on a carboxamide pincer ligand and an NCONCON–Pd(ii) pincer complex

Abstract

Two new metal–organic frameworks (MOFs) with copper(II) paddlewheel secondary building units are presented. Cu-MOF and Pd@Cu-MOF were prepared in open air at room temperature from a pincer ligand 4,4′-((pyridine-2,6-dicarbonyl)bis(azanediyl))dibenzoic acid (L1) and a pincer complex NCONCON–Pd(II) (C1), respectively. The two crystalline 2-D frameworks Pd@Cu-MOF and Cu-MOF were characterized as microporous materials with Brunauer–Emmett–Teller (BET) surface areas of 12 m2 g−1 and 33 m2 g−1, respectively. Gas adsorption experiments revealed a low uptake of carbon dioxide by these materials attributed to crystal-to-crystal transformation of the MOFs upon activation.

Graphical abstract: Crystalline Cu(ii) metal–organic frameworks based on a carboxamide pincer ligand and an NCONCON–Pd(ii) pincer complex

Supplementary files

Article information

Article type
Paper
Submitted
30 jul 2021
Accepted
27 set 2021
First published
27 set 2021

CrystEngComm, 2021,23, 7418-7424

Crystalline Cu(II) metal–organic frameworks based on a carboxamide pincer ligand and an NCONCON–Pd(II) pincer complex

S. S. P. Malaza, G. Mehlana, O. Cheung, R. Hunter and B. C. E. Makhubela, CrystEngComm, 2021, 23, 7418 DOI: 10.1039/D1CE00999K

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