Figure 5

PESs of the S0 and S1 states of BBPC as functions of the O1-H2 and O4-H5 lengths ranging from 0.81–2.11 Å in the S1 state and 0.89–2.19 Å in the S0 state (a) S1 state PES; (b) S0 state PES.
PESs of the S0 and S1 states of BBPC as functions of the O1-H2 and O4-H5 lengths ranging from 0.81–2.11 Å in the S1 state and 0.89–2.19 Å in the S0 state (a) S1 state PES; (b) S0 state PES.