Quantification of Anomalous Blueshifting with Increasing Temperature in the Terahertz Modes of D-Glutamine

T. J. Sanders,J. L. Allen,J. Horvat,R. A. Lewis

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)（2023）

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摘要

New modes in the terahertz spectrum of D-glutamine have been found in the first low-temperature measurements. With a high-purity sample and temperatures as low as 6K, eight intrinsic absorptions of D-glutamine in the frequency range below 4 THz have been identified. Tracking the frequency of the modes with temperature reveals anomalous blueshifting indicative of complex intermolecular hydrogen bond dynamics.

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关键词

anomalous blueshifting,complex intermolecular hydrogen bond dynamics,D-glutamine,frequency range,high-purity sample,intrinsic absorptions,low-temperature measurements,terahertz modes,terahertz spectra

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