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Issue 45, 2008
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Solid-state 115In NMR study of indium coordination complexes

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The feasibility of solid-state 115In NMR studies is demonstrated by an examination of four different coordination complexes: indium(III) acetylacetonate, indium(III) tris(tropolonato), indium(III) triiodide bis(tris(4-methoxyphenyl)phosphine oxide) and indium(III) trichloride tris(2,4,6-trimethoxyphenyl)phosphine. The results provide information about the electric field gradients and magnetic shielding at the indium nuclei through the nuclear quadrupolar and chemical shift parameters, respectively. The CQ values in these four complexes range between 106.0 ± 2.0 and 200.0 ± 4.0 MHz, while the magnetic shielding anisotropies fall in the range from 85 ± 15 to 550 ± 60 ppm. Finally, this research demonstrates that solid-state 115In NMR studies are facilitated by performing experiments at the highest possible magnetic-field strengths, and that NMR offers a promising tool for the characterization of indium compounds.

Graphical abstract: Solid-state 115In NMR study of indium coordination complexes

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The article was received on 18 Aug 2008, accepted on 22 Sep 2008 and first published on 08 Oct 2008

Article type: Communication
DOI: 10.1039/B814326A
Chem. Commun., 2008, 5933-5935

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    Solid-state 115In NMR study of indium coordination complexes

    F. Chen, G. Ma, R. G. Cavell, V. V. Terskikh and R. E. Wasylishen, Chem. Commun., 2008, 5933
    DOI: 10.1039/B814326A

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