TY - JOUR
T1 - Mode-specific decay widths in vibrational predissociation of D2HF
AU - Zhang, Dong H.
AU - Zhang, John Z.H.
AU - Bačić, Zlatko
N1 - Funding Information:
This work is supported by the National Science Foundation, Grant No. CHE-9122751. Partial financial support from the Camille and Henry Dreyfus Foundation and from the Donors of the Petroleum ResearchF und, administered by the American Chemical Society, are greatfully acknowledged.Z B is supported by the NSF, Grant No. CHE-9006672, and is also partially supported by the PRF-ACS and by the Camille and Henry Dreyfus Foundation. We would like to thank Professor David Clary and Pro-fessorR oger Miller for stimulating discussionso n vibrational predissociation of dimers.
PY - 1992/7/3
Y1 - 1992/7/3
N2 - In a recent paper, we employed a time-dependent golden rule method to calculate the decay widths for vibrational predissociation of D2HF(υ=1) from the lowest van der Waals (vdW) state in both para and ortho cases. We examine the state dependence of the decay widths in D2HF, by calculating the decay widths for a couple of excited van der Waals modes. It is shown that the total decay width is sensitive to the initial low frequency vdW state, while partial decay widths (final rotational state distribution) vary little for the initial states considered. It is discussed that excitation of the vdW stretching vibration, which characterizes the first excited state in both para- and ortho-D2HF, is responsible for this mode sensitivity of the total decay width and the insensitivity of the partial decay widths.
AB - In a recent paper, we employed a time-dependent golden rule method to calculate the decay widths for vibrational predissociation of D2HF(υ=1) from the lowest van der Waals (vdW) state in both para and ortho cases. We examine the state dependence of the decay widths in D2HF, by calculating the decay widths for a couple of excited van der Waals modes. It is shown that the total decay width is sensitive to the initial low frequency vdW state, while partial decay widths (final rotational state distribution) vary little for the initial states considered. It is discussed that excitation of the vdW stretching vibration, which characterizes the first excited state in both para- and ortho-D2HF, is responsible for this mode sensitivity of the total decay width and the insensitivity of the partial decay widths.
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U2 - 10.1016/0009-2614(92)86057-O
DO - 10.1016/0009-2614(92)86057-O
M3 - Article
AN - SCOPUS:0001485673
SN - 0009-2614
VL - 194
SP - 313
EP - 317
JO - Chemical Physics Letters
JF - Chemical Physics Letters
IS - 4-6
ER -