Discontinuous transition between Zundel and Eigen for H5O2+
Wang Endong1, Zhu Beien1, 2, Gao Yi1, 2, †
       

PES calculated through varying the O1–O2 and O1–H+ distances of the optimized H5O2+ in (a) gas-phase and (b) water. Theory level: PBE0-D3/def2-TZVP.