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Photolysis of HCOOH monomer and dimer in solid argon: Raman characterization of in situ formed molecular complexes.
Autorzy
Rok wydania
2010
Czasopismo
Physical Chemistry Chemical Physics
Numer woluminu
12
Strony
7138-7147
DOI
10.1039/B926658E
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Raman spectroscopy combined with the matrix isolation technique was employed to study the 193-nm photodecomposition products of formic acid in an argon matrix. The Raman-active fundamentals belonging to the CO2 + H2 and CO + H2O photoproducts were assigned. Also, bands due to Fermi resonance between the stretching vibration (ν1) and the overtone of the bending mode (2ν2) of CO2 were identified. Both ortho- and para-H2 molecules were identified from their rotational lines S0(1) and S0(0), respectively. These bands appeared upon matrix annealing as well as after prolonged photolysis. Additionally, photolysis of FA dimers produces oxalic acid and its secondary photoproducts, CO2 + CO + H2O. All experimental studies were supported by ab initio calculations.
Adres publiczny
http://dx.doi.org/ 10.1039/B926658E
Strona internetowa wydawcy
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