Novel metal-organic frameworks based on 5-bromonicotinic acid: Multifunctional materials with H sub(2) purification capabilities

Two new metal-organic frameworks based on 5-bromonicotinic acid complexes [Cd(5-BrNic) sub(2)] sub(n) (1) and [Co(5-BrNic) sub(2)(H sub(2)O)] sub(n) (2) have been synthesized by hydrothermal reactions of this ligand with cadmium and cobalt metallic(ii) salts in the presence of water. Compound 1 disp...

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Bibliographic Details
Published inCrystEngComm Vol. 14; no. 20; pp. 6390 - 6393
Main Authors Calahorro, Antonio J, Lopez-Viseras, Marta E, Salinas-Castillo, Alfonso, Fairen-Jimenez, David, Colacio, Enrique, Cano, Joan, Rodriguez-Dieguez, Antonio
Format Journal Article
LanguageEnglish
Published 01.09.2012
Subjects
Computer simulation
Displays
Ligands
Metal-organic frameworks
Monte Carlo methods
Porosity
Purification
Surface area
Surface chemistry
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Summary:Two new metal-organic frameworks based on 5-bromonicotinic acid complexes [Cd(5-BrNic) sub(2)] sub(n) (1) and [Co(5-BrNic) sub(2)(H sub(2)O)] sub(n) (2) have been synthesized by hydrothermal reactions of this ligand with cadmium and cobalt metallic(ii) salts in the presence of water. Compound 1 displays intense photoluminescence properties in the solid state at room temperature, while 2 exhibits an antiferromagnetic interaction between Co(ii) ions with a Jvalue of -4.1 cm super(-1). Experimental studies, backed up by Monte Carlo simulations about adsorption, pore size distribution and accessible surface area reveal the capability of 2 for H sub(2) purification applications.
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ISSN:1466-8033
DOI:10.1039/c2ce25807b