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

(a) Deviations of key bond lengths between those of different methods and those of CCSD(T)-F12/cc-pVTZ. (b) Proton stretch absorption band from experimental results and results of different methods.