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High-energy conformer of formic acid in solid neon: Giant difference between the proton tunneling rates of cis monomer and trans-cis dimer
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10.1063/1.2752152
/content/aip/journal/jcp/126/24/10.1063/1.2752152
http://aip.metastore.ingenta.com/content/aip/journal/jcp/126/24/10.1063/1.2752152

Figures

Image of FIG. 1.
FIG. 1.

Conformers of formic acid (HCOOH, FA). (a) trans and cis monomers. (b) trans-trans and trans-cis dimers considered in the present work. The notation of the trans and cis geometries follows Refs. 5–7.

Image of FIG. 2.
FIG. 2.

(a) (from top to bottom) IR spectrum of as-deposited FA/Ne sample with trans-FA monomers (tM) and trans-trans dimers (ttD), the result of pumping at when cis-FA monomer (cM) appears, and the result of pumping at when trans-cis dimer (tcD) appears. The two lower spectra are difference spectra. The spectra were measured with resolution of at . (b) Reactive vibrational excitation (RVE) spectra displaying the efficiency of formation of cM and tcD. The geometries are shown in Fig. 1.

Image of FIG. 3.
FIG. 3.

(a) Decays of cis-FA monomer in solid neon and argon and trans-cis FA dimer in solid neon. The data were obtained at . The decay time of cis-FA in solid neon was measured with an accuracy of . The initial concentrations are normalized. (b) Decay rate constants for cis-FA monomer and trans-cis dimer in solid neon and argon. The symbols are explained in the panel. The data points shown with open symbols are from Ref. 13.

Tables

Generic image for table
Table I.

Characteristic absorption bands of trans-FA monomer (tM), cis-FA monomer (cM), trans-trans dimer (ttD), and trans-cis dimer (tcD) in solid neon and literature data for cM and tcD in solid argon.

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/content/aip/journal/jcp/126/24/10.1063/1.2752152
2007-06-22
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High-energy conformer of formic acid in solid neon: Giant difference between the proton tunneling rates of cis monomer and trans-cis dimer
http://aip.metastore.ingenta.com/content/aip/journal/jcp/126/24/10.1063/1.2752152
10.1063/1.2752152
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