Fig. 2: Chemical formulae of the MTDP motor (1) and its methylated derivative MMTDP (2).
From: Impact of solvation on the photoisomerisation dynamics of a photon-only rotary molecular motor
The red arrow shows the direction in which rotation of the upper part occurs with respect to the lower part of the motor. The inset in the upper left part shows the definition of the central torsion angle θ.
