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Ágúst Kvaran - Prófessor emeritus

Ágúst Kvaran

–

Verkfræði- og náttúruvísindasvið

Ágúst Kvaran

Prófessor emeritus

Prófessor

Aðsetur
Dunhagi 3 / Rau-236
Sími
5254694
Tölvupóstur
agust [hjá] hi.is

Starfseining
Raunvísindadeild
Vefsíða
https://notendur.hi.is/agust/
Ritaskrá
Ágúst Kvaran - ritaskrá

Ferilskrá
Ágúst Kvaran - ferilskrá
ORCID vefsíða
https://orcid.org/0000-0002-1742-6994
Rannsóknagátt – Ágúst Kvaran

Útgefið efni

2024

Photofragmentation and fragment analysis; Coriolis interactions in excited states of CH₃Physical Chemistry Chemical Physics

2023

Branching ratios in the dissociative photoionization of iodomethane by photoelectron photoion coincidencePhysical Chemistry Chemical Physics

2022

High energy state interactions, energetics and multiphoto-fragmentation processes of HIPhysical Chemistry Chemical Physics
Multiphoton breakdown of acetylene; formation of organic building block fragmentsPhysical Chemistry Chemical Physics
Melatonin photoreactivityChemical Papers
Coincidence ion pair production (cipp) spectroscopy of diiodinePhysical Chemistry Chemical Physics

2021

Photo- and autoionization processes of superexcited iodine atoms in MPI of CH₃I and HIChemical Physics
Coordination properties of non-rigid phosphinoyldithioformate complexes of the [mo₂ o₂ (µ-s)₂ ]²⁺ cation in catalytic sulfur transfer reactions with thiiranesCatalysts
Resolving the F₂bond energy discrepancy using coincidence ion pair production (cipp) spectroscopyPhysical Chemistry Chemical Physics

2020

Formation of highly excited iodine atoms from multiphoton excitation of CH₃IPhysical Chemistry Chemical Physics
Addition to and revision of the HI Rydberg states energy regionJournal of Molecular Spectroscopy

2019

High energy Rydberg and ion-pair states, state mixing and excitation dynamics of HIPhysical Chemistry Chemical Physics
Two-color studies of CH₃Br excitation dynamics with MPI and slice imagingPhysical Chemistry Chemical Physics

2018

CyanocyclohexaneJournal of Molecular Structure
Non-rigid coordination behavior of the ambidentate phosphinoyldithioformate ligands, [S₂CP(O)R₂]^-, (R = Ph, CH₂Ph) in organometallic Lead(IV) and Mercury(II) compoundsJournal of Organometallic Chemistry
Multiphoton Rydberg and valence dynamics of CH₃Br probed by mass spectrometry and slice imagingPhysical Chemistry Chemical Physics

2017

Conformational properties of 1-cyano-1-silacyclohexane, C5H10SiHCN: Gas electron diffraction, low-temperature NMR and quantum chemical calculationsJournal of Molecular Structure
High energy Rydberg and valence states and state interactions of DClJournal of Molecular Spectroscopy
Excitation dynamics involving homogeneous multistate interactionsPhysical Chemistry Chemical Physics

2016

Effect of a triplet to singlet state interaction on photofragmentation dynamicsPhysical Chemistry Chemical Physics
Long term puzzles of the CH and CD energetics and related phenomena revisited; Solutions sought through REMPI-photofragmentations of bromomethanesPhysical Chemistry Chemical Physics
ErratumJournal of Molecular Spectroscopy
Dissociative photoionization of 1‑Halogenated silacyclohexanesJournal of Physical Chemistry A

2015

Rydberg and valence state excitation dynamicsPhysical Chemistry Chemical Physics
Revealing photofragmentation dynamics through interactions between Rydberg statesPhysical Chemistry Chemical Physics
Conformational properties of 1-tert-butyl-1-silacyclohexane, C₅H₁₀SiH(t-Bu)Structural Chemistry
State interactions, Illumination of Hidden States through Perturbations and observations of New States: High Energy REMPI of HIJournal of Chemical Physics
State interactions and illumination of hidden states through perturbations and observations of new statesJournal of Chemical Physics

2014

Photofragmentation, state interaction, and energetics of Rydberg and ion-pair statesJournal of Chemical Physics
Resonance-enhanced multiphoton ionization of CH₂Br₂Journal of Physical Chemistry A

2013

Photofragmentations, state interactions, and energetics of Rydberg and ion-pair statesJournal of Chemical Physics
New REMPI observations and analyses for Rydberg and ion-pair states of HIJournal of Molecular Spectroscopy
Conformational properties of 1-halogenated-1-silacyclohexanes, C ₅H₁₀SiHX (X = Cl, Br, I)Organometallics
Conformational properties of 1-methyl-1-germacyclohexaneStructural Chemistry
REMPI spectra of HCl: Analysis of F1D2 Spectral PerturbationWuli Xuebao/Acta Physica Sinica
Photofragmentations, State Interactions and Energetics of Rydberg and Ion-pair states: REMPI via E and V(B) states of HCl and HBrJournal of Chemical Physics

2012

Photofragmentations, state interactions, and energetics of Rydberg and ion-pair statesJournal of Chemical Physics
Rydberg and ion-pair states of HBrJournal of Molecular Spectroscopy

2011

Two-dimensional REMPI of CF₃BrChemical Physics Letters
Massagreining í kjölfar ljósgleypni: Víxlverkanir milli örvaðra ástanda uppgötvaðarRAUST - Tímarit um raunvísindi og stærðfræði
Massagreining í kjölfar ljósgleypni: Víxlverkun milli örvaðra ástandaRAUST - Tímarit um raunvísindi og stærðfræði
Two-dimensional resonance enhanced multiphoton ionization of H ⁱCl; I=35, 37Journal of Chemical Physics
Thermochemistry of halomethanes CF_nBr_4-n (n ≥ 0 - 3) based on iPEPICO experiments and quantum chemical computationsJournal of Physical Chemistry A

2010

Conformational properties of 1-fluoro-1-methyl-silacyclohexane and 1-methyl-1-trifluoromethyl-1-silacyclohexaneJournal of Molecular Structure
Conformational properties of 1-silyl-1-silacyclohexane, C₅H ₁₀SiHSiH₃Journal of Physical Chemistry A
Two-dimensional (2+ n) REMPI of CH₃BrJournal of Physical Chemistry A

2009

Two-dimensional (2 + n) REMPI of HClJournal of Molecular Spectroscopy
Unexpected conformational properties of 1-trifluormethyl-1-silacyclohexane, C₅H₁₀SiHCF₃Chemistry - A European Journal
Two-dimensional (2+n) resonance enhanced multiphoton ionization of HClJournal of Chemical Physics

2008

The Conformational Preference of the Methyl Group in 1-Methyl-1-Silacyclohexane
(2 + n) REMPI of acetyleneChemical Physics Letters
Two-dimensional (2+n) resonance enhanced multiphoton ionization of HClJournal of Chemical Physics

2007

Fjölljóseindagleypni NO sameindarinnartímaritRAUST - Tímarit um raunvísindi og stærðfræði
Conformational properties of 1-Fluoro-1-silacyclohexane, C ₅H₁₀SiHFOrganometallics
Unexpected conformational properties of 1-trifluoromethyl-1- silacyclohexane, C₅H₁₀SiHCF₃Chemistry - A European Journal
Tveggja ljóseinda gleypni acetylenstímaritRAUST - Tímarit um raunvísindi og stærðfræði
REMPI spectra of the hydrogen halidesWuli Huaxue Xuebao/ Acta Physico - Chimica Sinica

2006

Relative energy and structural differences of axial and equatorial 1-fluoro-1-silacyclohexaneJournal of Physical Chemistry A
REMPI-TOF studies of the HF dimerJournal of Molecular Structure
Comment on "relative energies, stereoelectronic interactions, and conformational interconversion in silacycloalkanes"International Journal of Quantum Chemistry
Structures and energetics of axial and equatorial 1-methyl-1- silacyclohexaneOrganometallics
Three-photon absorption of open shell structured molecules: (3+1)REMPI of NO as a case studyPhysical Chemistry; An Indian Journal

2005

The rotational spectrum of silacyclohexaneJournal of Molecular Spectroscopy

2004

Sameindalögun háð leysiefnum: Rúmefnafræði 2,5-díarýl-5-metýl-1,3-díoxanaRAUST - Tímarit um raunvísindi og stærðfræði
Three- and two-photon absorption in HCL and DCLJournal of Molecular Spectroscopy

2002

Conformations of silicon-containing rings. 5. Conformational properties of 1-methyl-1-silacyclohexaneJournal of Organic Chemistry
Three-photon absorption spectroscopyMolecular Physics

2001

Three-photon absorption spectroscopyJournal of Molecular Structure
¹H NMR and UV-vis spectroscopy of fluorine and chlorine substituted stilbenesJournal of Molecular Structure
Photochemical conversion of 2,6-dihalo substituted methyl α-phenylcinnamatesJournal of Photochemistry and Photobiology A: Chemistry
Three- and two-photon absorption spectroscopyCanadian Journal of Physics

2000

Resonance enhanced multiphoton ionization of the hydrogen halidesJournal of Chemical Physics
Spectroscopy of FlamesJournal of Chemical Education
¹H NMR and UV-Vis spectroscopy of chlorine substituted stilbenesJournal of Molecular Structure
What to see and what not to see in three-photon absorptionJournal of Chemical Physics

1998

Photochemistry of substituted methyl-α-arylcinnamatesJournal of Photochemistry and Photobiology A: Chemistry
(2+1) REMPI spectra of =0 states of the hydrogen halidesJournal of Chemical Physics
¹H NMR investigation of si-alkylsubstituted 1,3,5-trisilacyclohexanesZeitschrift fur Anorganische und Allgemeine Chemie

1996

On the origin of the dip in the KrF laser gain spectrumJournal of Chemical Physics
REMPI spectra of Cl₂Journal of Molecular Spectroscopy
Rotational perturbations in the (2 + 1) REMPI spectrum of the Rydberg state [²II_3/2]_c5d; 1g of I₂Chemical Physics

1995

REMPI spectra of IBrJournal of Physical Chemistry
Threshold photoelectron spectroscopy of Cl₂ and Br₂ up to 35 eVJournal of Physical Chemistry

1994

REMPI spectra of I₂. The [_{3 2}]_c5d; 1g Rydberg state and interactions with ion pair statesChemical Physics Letters
The dalby system of iodine revisitedJournal of Molecular Spectroscopy
Threshold photoelectron spectroscopy of CF₄ up to 60.5 eVJournal of Electron Spectroscopy and Related Phenomena

1993

Ion-pair formation in the photodissociation of HCl and DCIThe Journal of Chemical Physics
Ion‐pair (X⁺ + Y⁻) formation from photodissociation of the interhalogen molecules BrCl, ICl and IBrOrganic Mass Spectrometry
Rotationally resolved (2+1) REMPI spectra of gerade Rydberg state of molecular iodineJournal of Molecular Structure
Laser photoisomerization of methyl α-arylcinnamates; effect of chloro substitutionJournal of Photochemistry and Photobiology, A: Chemistry

1992

Analyses of the 290-400 nm oscillatory continua due to transitions from the e(O⁺) ion pair state of brciMolecular Physics
Mechanism of the two-photon laser assisted reaction of Xe and Cl₂ to form XeClJournal of Molecular Structure

1991

Vibrationally resolved excitation functions for direct ion-pair (I⁺ + I^-) formation from photodissociation of I₂Chemical Physics Letters
Mechanism of vibrational relaxation and intersystem crossing within excited ion-pair states of I₂Proceedings of the Indian Academy of Sciences - Chemical Sciences

1990

Ion-pair (Br⁺ + Br^-) formation from photodissociation of Br₂ near the first ionisation limitChemical Physics Letters

1989

Spectroscopic characterization of the lowest singlet states of CdNe, CdAr, and CdKrThe Journal of Chemical Physics

1988

Vibrational relaxation of KrF^* and XeCl^* by rare gasesApplied Physics B Photophysics and Laser Chemistry
Spectroscopic characterization of the X(¹0⁺) and A(³0⁺) states of CdNe, CdAr, CdKr, and CdXeThe Journal of Chemical Physics

1987

The dynamics of electronically excited states in the rare-gas-halogen systemsFaraday Discussions of the Chemical Society
Chemiluminescent reactions of rare gas atoms, Rg(ns, ³P₂, ³P₁, ¹P₁) with N₂O, SCO and SeCOChemical Physics Letters

1986

Reactions of xe(³p₂) and xe (³p₁) with HC1, HBr and HI; energy utilization, energy disposal, product rotational polarization and reaction dynamicsMolecular Physics
Competitive channels in the interaction of Xe(³P_J) with Cl₂, Br₂ and I₂. Atom transfer, excitation transfer, energy disposal and product rotational alignmentJournal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics

1984

Vibrational relaxation of XeBr(B) by ArJournal of Physical Chemistry

1983

Vibrational population distributions from rare gas halide spectraMolecular Physics

1982

Bromine emission spectra of discharged mixtures of argon + bromine-containing compoundsJournal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
Analysis of the 350-400 nm oscillatory continuum from I₂ (D ¹Σ⁺_u)Chemical Physics Letters

1980

Chemiluminescence of argon bromide. I. The emission spectrum of ArBrThe Journal of Chemical Physics
Chemiluminescence of argon bromide. II. Potential curves of ArBr and population distributions in the B(1/2) and C(3/2) electronic statesThe Journal of Chemical Physics

1978

Emission spectra of the noble-gas halidesChemical Physics Letters

Sérsvið:

ÚF-Sýn greining og líkanreikningar sameinda

Massagreiningar sameinda

Eðlisefnafræði

Fjölljóseindajónun("multiphoton ionization

Einljóseindajónun

Hvarfljómun ("Chemiluminescence

LASER litrófsgreining sameinda

Ljóshverfing lífrænna sameinda

Ljósrof sameinda