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Updated: Jul 3, 2026

Spatial Separation of Molecular Conformers and Clusters
Published on: January 9, 2014
POLIR: polarizable, flexible, transferable water potential optimized for IR spectroscopy
Parminder K Mankoo1, Thomas Keyes
1Department of Chemistry, Boston University, Boston, Massachusetts 02215, USA.
A new water model, POLIR, accurately describes structural, kinetic, and vibrational properties. Its transferability enables applications in solvation and extreme environments.
Area of Science:
- Computational chemistry
- Molecular dynamics
- Spectroscopy
Background:
- Developing accurate classical potentials for water is crucial for molecular simulations.
- Existing models often struggle to simultaneously capture structural, dynamic, and spectroscopic properties.
Purpose of the Study:
- To present POLIR, a polarizable, flexible, and transferable water potential.
- To demonstrate POLIR's ability to accurately describe water's properties across various states.
Main Methods:
- Development of a new polarizable potential for water (POLIR).
- Simulations of water clusters, liquid water, and ice using the POLIR potential.
Main Results:
- POLIR accurately reproduces structural and kinetic properties of water.
- POLIR correctly describes vibrational frequencies, infrared intensities, and HOH angle.
- Demonstrated high transferability of the POLIR potential.
Conclusions:
- POLIR offers a comprehensive classical approach to vibrational spectroscopy of water.
- The potential's transferability supports its use in diverse applications, including solvation and extreme conditions relevant to geological and planetary sciences.
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