Towards detection of the molecular parity violation in chiral Ru(acac)$_3$ and Os(acac)$_3$ - UFR de Chimie de Sorbonne-Université
Article Dans Une Revue Journal of Physical Chemistry Letters Année : 2022

Towards detection of the molecular parity violation in chiral Ru(acac)$_3$ and Os(acac)$_3$

Résumé

An investigation of a helically chiral compound Ru(acac)$_3$ shows its potential for the experimental detection of parity violation (PV) in a molecular system. An experiment measuring PV frequency shifts $\Delta \nu^\text{PV}$ in vibrational spectra of Ru(acac)$_3$ is being built at Laboratoire de Physique des Lasers in Paris. Based on our relativistic calculations, the most promising vibrational modes are identified with fractional shifts $\Delta\nu^\text{PV}/\nu$ reaching up to two orders of magnitude higher ($\sim 10^{-13}$) compared to the projected instrumental sensitivity ($\sim 10^{-15}$). The related heavier homologoue Os(acac)$_3$ exhibits even higher relative PV shifts extending up to $\Delta\nu^\text{PV}/\nu\sim 10^{-12}$ strongly motivating its future synthesis and characterization.
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Dates et versions

hal-03453707 , version 1 (28-11-2021)
hal-03453707 , version 2 (18-12-2024)

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Marit R. Fiechter, Pi A. B. Haase, Nidal Saleh, Pascale Soulard, Benoît Tremblay, et al.. Towards detection of the molecular parity violation in chiral Ru(acac)$_3$ and Os(acac)$_3$. Journal of Physical Chemistry Letters, 2022, 13 (42), pp.10011-10017. ⟨10.1021/acs.jpclett.2c02434⟩. ⟨hal-03453707v2⟩
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