Title |
Synthesis, Crystal Structure, and Solid-State NMR Investigations of Heteronuclear Zn/Co Coordination Networks A Comparative Study
|
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Published in |
Inorganic Chemistry, April 2013
|
DOI | 10.1021/ic302643w |
Pubmed ID | |
Authors |
Anusree Viswanath Kuttatheyil, Daniel Lässig, Jörg Lincke, Merten Kobalz, Maria Baias, Katja König, Jörg Hofmann, Harald Krautscheid, Chris J. Pickard, Jürgen Haase, Marko Bertmer |
Abstract |
Synthesis and solid-state NMR characterization of two isomorphous series of zinc and cobalt coordination networks with 1,2,4-triazolyl benzoate ligands are reported. Both series consist of 3D diamondoid networks with four-fold interpenetration. Solid-state NMR identifies the metal coordination of the ligands, and assignment of all (1)H and (13)C shifts was enabled by the combination of (13)C editing, FSLG-HETCOR spectra, and 2D (1)H-(1)H back-to-back (BABA) spectra with results from NMR-CASTEP calculations. The incorporation of Co(2+) replacing Zn(2+) ions in the MOF over the full range of concentrations has significant influences on the NMR spectra. A uniform distribution of metal ions is documented based on the analysis of (1)H T1 relaxation time measurements. |
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