liu.seSearch for publications in DiVA
Endre søk
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Ab initio study of the singlet-triplet transitions in hypobromous acid
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden.
Linkoping Univ, Dept Phys & Measurement Technol, S-58183 Linkoping, Sweden.
1999 (engelsk)Inngår i: Journal of Molecular Structure: THEOCHEM, ISSN 0166-1280, Vol. 492, 53-66 s.Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The absorption spectra of the HOBr molecule in the near-ultraviolet and in the visible regions produced by excitation to the dissociative triplet and singlet states have been studied by the multi-configuration self-consistent field method with linear and quadratic response techniques. A large basis set and the complete Breit-Pauli form of the spin-orbit coupling operator are used. It is shown that the singlet-triplet (S-T) transition to the lowest triplet state a(3)A " <-- X(1)A' is responsible for a weak absorption in the visible region (440-650 nm) recorded recently by Barnes et al. (J. Phys. Chem. 100(1996) 453). The photodissociation of the HOBr molecule by visible light near the peak of the solar actinic flux through the S-T transition indicates the importance of SOC effects in atmospheric photochemistry of heavy halogens. The transition is polarized along the O-Br bond in agreement with the experimental measurements of OH Doppler line profiles (Barnes et al., J. Phys. Chem. 100 (1996) 453). The second ST transition b(3)A' <-- X(1)A' enters into the region of the first singlet-singlet (S-S) A(1)A " <-- X(1)A' absorption and produces an appreciable contribution to the total cross section at wavelengths lambda approximate to 340-360 nm in addition to the S-S absorption. The S-T absorption decreases the concentration and the lifetime of tropospheric hypobromous acid and influences the ozone depletion problem to a great extent. (C) 1999 Elsevier Science B.V. All rights reserved.

sted, utgiver, år, opplag, sider
1999. Vol. 492, 53-66 s.
Emneord [en]
ab initio study, hypobromous acid, absorption spectral studies
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-49918OAI: oai:DiVA.org:liu-49918DiVA: diva2:270814
Tilgjengelig fra: 2009-10-11 Laget: 2009-10-11 Sist oppdatert: 2017-12-12

Open Access i DiVA

Fulltekst mangler

I samme tidsskrift
Journal of Molecular Structure: THEOCHEM

Søk utenfor DiVA

GoogleGoogle Scholar

urn-nbn

Altmetric

urn-nbn
Totalt: 16 treff
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf