EXAFS, matrix isolation, and high temperature chemistry

I. R. Beattie*, N. Binsted, W. Levason, J. S. Ogden, M. D. Spicer, N. A. Young

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

17 Citations (Scopus)

Abstract

The advantages resulting from the combination of the EXAFS (extended X-ray absorption fine structure) and matrix isolation techniques to the study of high temperature molecules are outlined. Equipement allowing the collection of EXAFS data from matrix isolated molecules at ca 9 K, combined with in situ monitoring of the isolated materials by vibrational spectroscopy is described. Metal K-edge EXAFS data of cis-[Fe(CO)4I2RB isolated in CH4 and of FeCI2 and CoCl2 isolated in the potentially reactive matrix CO are presented and described. The FeCl2 data show a mixture of trans- [Fe(CO)4Cl2] ″free″ FeCI2 are present, whereas for Co Cl2, only van der Waals interaction between linear CoCI2 and the CO matrix was observed. EXAFS can also provide information about the short was order (<4th shell) in the matrix materials and this is illustrated by data for solid Kr and for Kr in Ar.

Original languageEnglish
Pages (from-to)71-86
Number of pages16
JournalHigh temperature science
Volume26
Issue numberpt 1
Publication statusPublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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