Fig. 2: The scan map as the dihedral angle changes.

The evolution of a, b the atomic distances between S and O atom (circle), and between O and O atom (square), and the conversion between two conformations given as insets, c, d the potential energy E, the variation of orbital energy E(2) and electrostatic interaction energy Eelec as a function of the θ for M(S···O) and PhM(S···O).