Stable forms of cations of phenol complexed with hydrogen-accepting molecules such as NH,, Hz0 or pdioxane were investigated with trapped ion photodissociation spectroscopy. Electronic spectra in the range 366-465 nm reveal that the ground-state ion of the phenol-NH3 complex consists of a phenoxy ra
Trapped ion photodissociation spectroscopy. Photodissociation of p-dichlorobenzene cation
โ Scribed by Toshiki Sasaki; Naohiko Mikami
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 346 KB
- Volume
- 209
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Photodissociation of pC6H,C1a cation stored in a rf ion trap cell was investigated by observing fragment yield spectra in the 312-327 nm region. The CsH: generation was found to be induced by the two-photon excitation enhanced with the resonance on the &-% transition of the parent cation. On the other hand, C,H,CI+ generation was induced by the one-photon excitation of the parent ion. The state-selective fragmentation is discussed.
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The electronic spectrum of the hydrogen-bonded complex cation, [C,HSOH-N(CHS),]+, has been observed by trapped ion photodissociation spectroscopy, in which the yield spectrum of the product ion H+N(CHI)s was acquired for the complex ion stored in a cylindrical ion trap cell. The spectrum in the rang
This Letter presents a general technique for the determination of absolute photodissociation cross-sections of ionic molecular complexes in the gas phase. Experiments on MgC~o complexes were used to demonstrate the effectiveness of this approach. The complexes were generated collisionally inside a l