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research article

A direct measurement of the dissociation energy of water

Maksyutenko, Pavlo
•
Rizzo, Thomas R.  
•
Boyarkin, Oleg V.  
2006
The Journal of Chemical Physics

We have performed a direct measurement of one of the most fundamental thermochemical values: the O-H bond energy in water. Using a triple-resonance laser excitation scheme, we excite the molecule through a series of vibrational overtone transitions to access directly the onset of the dissociative continuum. The disociation energy obtained from our experiments, 41145.94±0.15 cm-1, is ~30 times more accurate than the currently accepted value and has important implications for other thermochemical quantities linked to the bond energy of water.

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Type
research article
DOI
10.1063/1.2387163
Web of Science ID

WOS:000242002400001

Author(s)
Maksyutenko, Pavlo
Rizzo, Thomas R.  
Boyarkin, Oleg V.  
Date Issued

2006

Published in
The Journal of Chemical Physics
Volume

125

Issue

18

Article Number

181101

Subjects

water

•

bond energy

•

overtone spectroscopy

•

thermochemistry

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCPM  
Available on Infoscience
October 17, 2006
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/235225
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