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Molecules 2015, 20(7), 12341-12363; doi:10.3390/molecules200712341

Multidimensional Transition Metal Complexes Based on 3-Amino-1H-1,2,4-triazole-5-carboxylic Acid: From Discrete Mononuclear Complexes to Layered Materials

1
Department of Chemistry, CICECO–Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
2
REQUIMTE/LAQV & Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
3
Department of Chemistry, University of Aveiro, QOPNA, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
4
Department of Organic and Macromolecular Chemistry, Ghent University, B-9000 Ghent, Belgium
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editor: Dong-Sheng Li
Received: 1 June 2015 / Revised: 22 June 2015 / Accepted: 25 June 2015 / Published: 7 July 2015
(This article belongs to the Special Issue Metal-Organic Frameworks: Chemistry and Applications)
View Full-Text   |   Download PDF [8064 KB, uploaded 7 July 2015]   |  

Abstract

The synthesis and structural characterization of five transition metal complexes with different dimensionality and incorporating residues of 3-amino-1H-1,2,4-triazole-5-carboxylic acid (H2atrc) is reported: [Zn(Hatrc)2(H2O)] (1), [Mn(Hatrc)2(H2O)2]·2H2O (2), [Fe2(Hatrc)4(OH)2]·6H2O (3), [Cd(Hatrc)2(H2O)]n (4), and [Mn(atrc)(H2O)]n·nH2O (5). These materials could be prepared from solution (13), diffusion (4), or hydrothermal reactions (5) with various anions and L:M ratios. Structural details were revealed by single crystal X-ray diffraction. The discrete units composing compounds 13, the polymeric 1D chain of 4 and the 2D layer of 5 are further extended into 3D supramolecular architectures through the formation of hydrogen bonds. View Full-Text
Keywords: 1,2,4-triazole; crystal structures; supramolecular organization 1,2,4-triazole; crystal structures; supramolecular organization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Liu, B.; Fernandes, J.A.; Tomé, J.P.C.; Paz, F.A.A.; Cunha-Silva, L. Multidimensional Transition Metal Complexes Based on 3-Amino-1H-1,2,4-triazole-5-carboxylic Acid: From Discrete Mononuclear Complexes to Layered Materials. Molecules 2015, 20, 12341-12363.

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