1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Dissociative electron attachment to hexafluoroacetylacetone and its bidentate metal complexes M(hfac)2; M = Cu, Pd
Rent:
Rent this article for
USD
10.1063/1.4810877
/content/aip/journal/jcp/138/23/10.1063/1.4810877
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/23/10.1063/1.4810877
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The keto-enol equilibrium of hexafluoroacetylacetone. Typically the enol form is the more stable configuration due to the stabilizing effect of the internal O–H···O hydrogen bridge.

Image of FIG. 2.
FIG. 2.

Stabilization of the hexafluoroacetylacetonate anion through delocalization of the electron.

Image of FIG. 3.
FIG. 3.

Square planar configuration of the metal hexafluoroacetylacetonates M(hfac). Molecular formula M(CHFO); M = Cu, Pd.

Image of FIG. 4.
FIG. 4.

(a) Positive and (b) negative ion mass spectrum of hexafluoroacetylacetone. The positive spectrum is recorded at a fixed energy of 65 eV. The negative spectrum is a stick mass spectrum showing the maximum ion yield for each observed fragment from 0–15 eV on a log scale.

Image of FIG. 5.
FIG. 5.

Selected ion yield curves from dissociative electron attachment to hexafluoroacetylacetone (HFAc) as a function of incident electron energy.

Image of FIG. 6.
FIG. 6.

Proposed reaction pathway for the HF formation from HFAc through photolysis or DEA. Adapted from Ref. .

Image of FIG. 7.
FIG. 7.

(a) Positive ion mass spectrum of Pd(hfac) recorded at an incident electron energy of 100 eV. (b) Negative ion stick mass spectrum showing the maximum ion yield for each observed fragment from 0–13 eV on a log scale.

Image of FIG. 8.
FIG. 8.

Ions yield curves for dissociative and non-dissociative electron attachment to Pd(hfac) as a function of incident electron energy. The insets in panel (a) are mass spectra recorded at 0 and 0.7 eV, respectively. These show clearly the isotope pattern for the intact molecular ion; [Pd(hfac),] and no traces from hydrogen loss; [M − H] are detectable.

Image of FIG. 9.
FIG. 9.

(a) Positive ion mass spectrum of Cu(hfac) recorded at an incident electron energy of 100 eV. (b) A stick mass spectrum showing the maximum ion yield for each observed fragment in electron attachment to Cu(hfac) from 0–9 eV.

Image of FIG. 10.
FIG. 10.

Ions yield curves for dissociative and non-dissociative electron attachment to Cu(hfac) as a function of incident electron energy. The insets in panel (a) are mass spectra recorded at 0 and 0.7 eV, respectively. These show clearly the isotope pattern for the intact molecular ion; [Cu(hfac),] and no traces from hydrogen loss; [M − H] are detectable.

Loading

Article metrics loading...

/content/aip/journal/jcp/138/23/10.1063/1.4810877
2013-06-20
2014-04-18
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dissociative electron attachment to hexafluoroacetylacetone and its bidentate metal complexes M(hfac)2; M = Cu, Pd
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/23/10.1063/1.4810877
10.1063/1.4810877
SEARCH_EXPAND_ITEM