Symmetric top molecule YbOCH${}_3$ in the fundamental $\mathcal{P}$, $\mathcal{T}$-violation searches

The symmetric top molecule YbOCH${}_3$ is studied for its potential to $\mathcal{P}$, $\mathcal{T}$-violation searches. The influence of the rotations and vibrations of the YbOCH${}_3$ on such violating effects as the electron electric dipole moment (eEDM) and the scalar-pseudoscalar electron-nucleon interaction (Ne-SPS) is studied using the coupled channels method. The corresponding sensitivity parameters $E_{\mathrm{e}\mathrm{f}\mathrm{f}}$ and $E_{\mathrm{s}}$ are computed.