Proton Transfer in Solid State: Mechanochemical Reactions of Imidazole with Metallic Oxides

José Fernández-Bertrán, Lila Castellanos-Serra, H. Yee-Madeira, Edilso Reguera

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

Mechanochemical reactions of crystalline imidazole with 23 metallic oxides have been studied by milling in a mortar and in ball mill vibrators of low and high mechanical intensity. The reactions were monitored by Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) techniques. ZnO, HgO, Ag2O, and Cu2O react rather readily in the mortar, forming the corresponding imidazolates but CdO, Ga2O3, and In2O3 require intense mechanical milling to transform. CuO and NiO do not react immediately but turn bluish after a few months of aging. The oxides of Mg(II), Ca(II), Be(II), Al(III), Fe(II), Co(II), Co(III), Pb(II), Eu(III), Ce(III), Bi(III), Ti(IV), Zr(IV), and Sn(IV) are inert to imidazole even on strong milling for several hours. © 1999 Academic Press.
Original languageAmerican English
Pages (from-to)561-564
Number of pages504
JournalJournal of Solid State Chemistry
DOIs
StatePublished - 1 Nov 1999
Externally publishedYes

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