Formation of coordination compounds with aniline in the interlayer space of Ca2+-, Cu2+- and Fe3+-exchanged montmorillonite.

Autor: Janíková, Veronika, Jóna, Eugen, Janík, Róbert, Pavlík, Viliam, Ondrušová, Darina, Ďurčeková, Michaela
Zdroj: Chemical Papers; Jan2016, Vol. 70 Issue 1, p131-134, 4p
Abstrakt: The influence of Ca2+-, Cu2+- and Fe3+-exchanged montmorillonite (MMT) on the type of interaction with aniline in the interlayer space of MMT has been studied by means of X-ray powder diffraction and infrared spectra. Results of X-ray diffraction showed that aniline was successfully intercalated into the interlayer space of MMT. Based on IR spectra evaluation, aniline was indirectly coordinated through a water-bridge in Ca2+- and Fe3+-MMT and it was indirectly coordinated through a water-bridge as well as protonated in Cu2+-MMT (the spectrum of protonated aniline showed deformation and changes in the NH+3 absorption at approximately 1521 cm−1). It is important to point out that Cu2+-MMT indirect coordination and protonation occur simultaneously. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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