- Observation of the Ring-Puckering Vibrational Mode in Thietane Cation.
Observation of the Ring-Puckering Vibrational Mode in Thietane Cation.
The journal of physical chemistry. A (2017-01-15)
Yu Ran Lee, Chung Bin Park, Jiye Hwang, Bong June Sung, Hong Lae Kim, Chan Ho Kwon
PMID28086263
초록
We have measured the high-resolution vibrational spectra of a thietane (trimethylene sulfide) cation in the gas phase by employing the vacuum ultraviolet mass-analyzed threshold ionization (VUV-MATI) spectroscopic technique. Peaks in the low-frequency region of the observed MATI spectrum of thietane originate from a progression of the ring-puckering vibrational mode (typical in small heterocyclic molecules), which is successfully reproduced by quantum-chemical calculations with 1D symmetric double-well potentials along the ring puckering coordinates on both the S