Hydrogen bonded H3O+, H2O, HF, F- in fluoride metalates (Al, Cr, Fe, Zr, Ta) templated with tren (tris-(2-aminoethyl)amine)

Karim Adil, Mohamed Ali Saada, Amor Ben Ali, Monique Body, Minh Trung Dang, Annie Hémon-Ribaud, Marc Leblanc, Vincent Maisonneuve*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The environment of H3O+, H2O, HF and F- species (non-bonded to metals) is considered in fluoride metalates which crystallise from the (Al(OH)3, Cr(OH)3, FeF3, ZrF4, Ta2O5)-tren-HFaq·-ethanol systems (microwave heating at 190 °C during 1 h). The presence of (H3O)(H2O)6 + clusters or H3O+ cations, of isolated or associated H2O molecules, of (HF2)- and F- anions is evidenced. The thermal stability of the solids depends strongly on the nature of the hydrogen-bonded species associated with the preceding cations or anions and on the formation of water ribbons or layers.

Original languageEnglish (US)
Pages (from-to)404-412
Number of pages9
JournalJournal of Fluorine Chemistry
Volume128
Issue number4
DOIs
StatePublished - Apr 1 2007

Keywords

  • Hybrid fluorides
  • Hydrogen bond
  • Hydrothermal synthesis
  • Microwave heating
  • Water cluster

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics

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