  We demonstrate that the [Yb(trensal)] molecule is a prototypical coupled
electronic qubit-nuclear qudit system. The combination of noise-resilient
nuclear degrees of freedom and large reduction of nutation time induced by
electron-nuclear mixing enables coherent manipulation of this qudit by
radio-frequency pulses. Moreover, the multi-level structure of the qudit is
exploited to encode and operate a qubit with embedded basic quantum error
correction.

Mesoscale and Nanoscale Physics;Quantum Physics