Structural Discrimination of Phosphate Contact Ion Pairs in Water by Femtosecond 2D-IR Spectroscopy
Achintya Kundu, Jakob Schauss, Benjamin P. Fingerhut, and Thomas, Elsaesser
TL;DR
This paper uses femtosecond 2D-IR spectroscopy combined with theoretical calculations to identify and distinguish the structures of phosphate contact ion pairs in water.
Contribution
It introduces a novel approach combining experimental spectroscopy and theory to analyze ion pair structures in aqueous solutions.
Findings
Identification of distinct contact ion pair structures
Spectral features assigned to specific interactions
Enhanced understanding of phosphate ion pairing in water
Abstract
The distinct structures of contact ion pairs in water are identified. Nonlinear infrared (IR) spectroscopy and theoretical calculations allow for the separation and assignment of spectral features and interactions.
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