A Fully Size-Resolved Perspective on the Crystallization of Water Clusters

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F12%3A43894062" target="_blank" >RIV/60461373:22340/12:43894062 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1126/science.1225468" target="_blank" >http://dx.doi.org/10.1126/science.1225468</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1126/science.1225468" target="_blank" >10.1126/science.1225468</a>

Jazyk výsledku

angličtina

Název v původním jazyce

A Fully Size-Resolved Perspective on the Crystallization of Water Clusters

Popis výsledku v původním jazyce

The number of water molecules needed to form the smallest ice crystals has proven challenging to pinpoint experimentally. This information would help to better understand the hydrogen-bonding interactions that account for the macroscopic properties of water. Here, we report infrared (IR) spectra of precisely size-selected (H2O)(n) clusters, with n ranging from 85 to 475; sodium doping and associated IR excitation-modulated photoionization spectroscopy allowed the study of this previously intractable size domain. Spectral features indicating the onset of crystallization are first observed for n = 275 +/- 25; for n = 475 +/- 25, the well-known band of crystalline ice around 3200 cm(-1) dominates the OH-stretching region. The applied method has the potential to push size-resolved IR spectroscopy of neutral clusters more broadly to the 100- to 1000-molecule range, in which many solvents start to manifest condensed phase properties

Název v anglickém jazyce

A Fully Size-Resolved Perspective on the Crystallization of Water Clusters

Popis výsledku anglicky

The number of water molecules needed to form the smallest ice crystals has proven challenging to pinpoint experimentally. This information would help to better understand the hydrogen-bonding interactions that account for the macroscopic properties of water. Here, we report infrared (IR) spectra of precisely size-selected (H2O)(n) clusters, with n ranging from 85 to 475; sodium doping and associated IR excitation-modulated photoionization spectroscopy allowed the study of this previously intractable size domain. Spectral features indicating the onset of crystallization are first observed for n = 275 +/- 25; for n = 475 +/- 25, the well-known band of crystalline ice around 3200 cm(-1) dominates the OH-stretching region. The applied method has the potential to push size-resolved IR spectroscopy of neutral clusters more broadly to the 100- to 1000-molecule range, in which many solvents start to manifest condensed phase properties

Druh

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

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

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Projekt

<a href="/cs/project/GAP208%2F11%2F0161" target="_blank" >GAP208/11/0161: Dynamika solvatovaných elektronů v molekulových klastrech: experiment a teorie</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2012

Kód důvěrnosti údajů

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

Název periodika

Science (Washington, D.C., 1883-)

ISSN

0036-8075

e-ISSN

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Svazek periodika

337

Číslo periodika v rámci svazku

6101

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

4

Strana od-do

1529-1532

Kód UT WoS článku

000308912900049

EID výsledku v databázi Scopus

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