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Title: Molecular origin of the vibrational structure of ice I h

Abstract

Here, an unambiguous assignment of the vibrational spectra of ice I h remains a matter of debate. This study demonstrates that an accurate representation of many-body interactions between water molecules, combined with an explicit treatment of nuclear quantum effects through many-body molecular dynamics (MB-MD), leads to a unified interpretation of the vibrational spectra of ice I h in terms of the structure and dynamics of the underlying hydrogen-bond network. All features of the infrared and Raman spectra in the OH stretching region can be unambiguously assigned by taking into account both the symmetry and the delocalized nature of the lattice vibrations as well as the local electrostatic environment experienced by each water molecule within the crystal. The high level of agreement with experiment raises prospects for predictive MB-MD simulations that, complementing analogous measurements, will provide molecular-level insights into fundamental processes taking place in bulk ice and on ice surfaces under different thermodynamic conditions.

Authors:
 [1];  [1]; ORCiD logo [2]; ORCiD logo [1]
  1. Univ. of California, San Diego, La Jolla, CA (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Argonne National Laboratory, Argonne Leadership Computing Facility; U.S. Department of Education; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Scientific User Facilities Division; National Science Foundation (NSF)
OSTI Identifier:
1373299
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Physical Chemistry Letters
Additional Journal Information:
Journal Volume: 8; Journal Issue: 12; Journal ID: ISSN 1948-7185
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; ice; many-body effects; molecular dynamics; nuclear quantum effects; vibrational spectroscopy; water

Citation Formats

Moberg, Daniel R., Straight, Shelby C., Knight, Christopher, and Paesani, Francesco. Molecular origin of the vibrational structure of ice Ih. United States: N. p., 2017. Web. doi:10.1021/acs.jpclett.7b01106.
Moberg, Daniel R., Straight, Shelby C., Knight, Christopher, & Paesani, Francesco. Molecular origin of the vibrational structure of ice Ih. United States. doi:10.1021/acs.jpclett.7b01106.
Moberg, Daniel R., Straight, Shelby C., Knight, Christopher, and Paesani, Francesco. Thu . "Molecular origin of the vibrational structure of ice Ih". United States. doi:10.1021/acs.jpclett.7b01106. https://www.osti.gov/servlets/purl/1373299.
@article{osti_1373299,
title = {Molecular origin of the vibrational structure of ice Ih},
author = {Moberg, Daniel R. and Straight, Shelby C. and Knight, Christopher and Paesani, Francesco},
abstractNote = {Here, an unambiguous assignment of the vibrational spectra of ice Ih remains a matter of debate. This study demonstrates that an accurate representation of many-body interactions between water molecules, combined with an explicit treatment of nuclear quantum effects through many-body molecular dynamics (MB-MD), leads to a unified interpretation of the vibrational spectra of ice Ih in terms of the structure and dynamics of the underlying hydrogen-bond network. All features of the infrared and Raman spectra in the OH stretching region can be unambiguously assigned by taking into account both the symmetry and the delocalized nature of the lattice vibrations as well as the local electrostatic environment experienced by each water molecule within the crystal. The high level of agreement with experiment raises prospects for predictive MB-MD simulations that, complementing analogous measurements, will provide molecular-level insights into fundamental processes taking place in bulk ice and on ice surfaces under different thermodynamic conditions.},
doi = {10.1021/acs.jpclett.7b01106},
journal = {Journal of Physical Chemistry Letters},
number = 12,
volume = 8,
place = {United States},
year = {Thu May 25 00:00:00 EDT 2017},
month = {Thu May 25 00:00:00 EDT 2017}
}

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Cited by: 13 works
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