Photodissociation of aniline N?H bond in clusters of different nature

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388963%3A_____%2F15%3A00446951" target="_blank" >RIV/61388963:_____/15:00446951 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61388955:_____/15:00446951

Výsledek na webu

<a href="http://dx.doi.org/10.1039/C5CP04485E" target="_blank" >http://dx.doi.org/10.1039/C5CP04485E</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/C5CP04485E" target="_blank" >10.1039/C5CP04485E</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Photodissociation of aniline N?H bond in clusters of different nature

Popis výsledku v původním jazyce

We investigated the solvent effects on the N?H bond photodisociation dynamics of aniline (PhNH2) in clusters using velocity map imaging (VMI). The VMI experiment was accompanied by a time-of-flight mass spectrometry after electron ionization to reveal the cluster nature. The H-fragment images were recorded at 243 nm in various expansion regimes corresponding to different species: isolated molecules; small (PhNH2)N, N 3, clusters; larger (PhNH2)N, N 10; small mixed PhNH2(H2O)N, N 10, clusters; and individual PhNH2 molecules deposited on large (H2O)N, N = 430. The H-fragment kinetic energy distributions exhibit fast fragments around 0.8 eV (A) assigned previously to a direct dissociation along a repulsive ps * state potential, and slow statistical fragments peaking near 0.2 eV (B). In the aniline clusters the contribution of fast fragments (A) decreases relative to (B) with increasing the cluster size. Similar effect is observed when aniline is solvated with water molecules. The experime

Název v anglickém jazyce

Photodissociation of aniline N?H bond in clusters of different nature

Popis výsledku anglicky

We investigated the solvent effects on the N?H bond photodisociation dynamics of aniline (PhNH2) in clusters using velocity map imaging (VMI). The VMI experiment was accompanied by a time-of-flight mass spectrometry after electron ionization to reveal the cluster nature. The H-fragment images were recorded at 243 nm in various expansion regimes corresponding to different species: isolated molecules; small (PhNH2)N, N 3, clusters; larger (PhNH2)N, N 10; small mixed PhNH2(H2O)N, N 10, clusters; and individual PhNH2 molecules deposited on large (H2O)N, N = 430. The H-fragment kinetic energy distributions exhibit fast fragments around 0.8 eV (A) assigned previously to a direct dissociation along a repulsive ps * state potential, and slow statistical fragments peaking near 0.2 eV (B). In the aniline clusters the contribution of fast fragments (A) decreases relative to (B) with increasing the cluster size. Similar effect is observed when aniline is solvated with water molecules. The experime

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

—

Projekt

<a href="/cs/project/GA14-14082S" target="_blank" >GA14-14082S: Molekulární dynamika stavebních jednotek biomolekul: teorie a experimenty v molekulových paprscích.</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Chemistry Chemical Physics

ISSN

1463-9076

e-ISSN

—

Svazek periodika

17

Číslo periodika v rámci svazku

38

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

25004-25013

Kód UT WoS článku

000361697400049

EID výsledku v databázi Scopus

2-s2.0-84942420655