Internal rotation–induced A/E splittings in the methyl rocking band of propylene oxide (ν ₁₇ = 1) and refined analyses of the ground and first torsional states (ν ₂₄ =1)

Karel Vávra; Kateřina Luková; Eileen Döring; Jan Jakob; Thomas F. Giesen; Guido Fuchs

doi:10.1039/d6cp00517a

January 1, 2026Physical Chemistry Chemical PhysicsOpen Access

Internal rotation–induced A/E splittings in the methyl rocking band of propylene oxide (ν ₁₇ = 1) and refined analyses of the ground and first torsional states (ν ₂₄ =1)

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Key Points

The study aims to analyze the ro-vibrational spectrum of propylene oxide in the methyl rocking fundamental band.
Conducted high-resolution infrared measurements at room temperature.
Focused on the methyl rocking fundamental band ν17 = 1.
Analyzed both ground and first torsional states.
Presented the first report of the ro-vibrational spectrum of propylene oxide in the specified band.
Found distinct internal rotation-induced splittings that indicate molecular dynamics.
Refined analyses provided insights into the ground and first torsional states.

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Implication

High-resolution infrared spectroscopy reveals the ro-vibrational characteristics of propylene oxide, suggesting unique molecular behavior.

Abstract

The ro-vibrational spectrum of propylene oxide in the methyl rocking fundamental band ν17 = 1 is reported for the first time, based on high-resolution infrared measurements at room temperature and...

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Vávra et al. (2026) studied this question.

synapsesocial.com/papers/69d9e52b78050d08c1b7572c https://doi.org/10.1039/d6cp00517a

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Internal rotation–induced A/E splittings in the methyl rocking band of propylene oxide (ν ₁₇ = 1) and refined analyses of the ground and first torsional states (ν ₂₄ =1)

Key Points

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Implication

Abstract

Discussion

Cite This Study

Internal rotation–induced A/E splittings in the methyl rocking band of propylene oxide (ν ₁₇ = 1) and refined analyses of the ground and first torsional states (ν ₂₄ =1)

Key Points

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Implication

Abstract

Discussion

Cite This Study

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