Loading...
Please wait, while we are loading the content...
Similar Documents
First Excited and Cationic Ground States of Jet-Cooled 2-Aminopyridine•Arn (n = 1, 2) Clusters: Energetics and Structures
| Content Provider | Semantic Scholar |
|---|---|
| Author | Baek, Sun Jong Choi, Kyo-Won Choi, Young Soo Kim, Sang Kyu |
| Copyright Year | 2003 |
| Abstract | Resonant-enhanced multiphoton ionization (REMPI) and mass-analyzed threshold ionization (MATI) spectra of 2-aminopyridine (2AP−NH2)·Arn clusters are reported to give the S1−S0 spectral origins of 33 439 and 33 411 cm-1 for the 2AP−NH2·Ar and 2AP−NH2·Ar2 clusters, respectively, and also their respective adiabatic ionization energies of 8.0881 ± 0.0021 and 8.0676 ± 0.0020 eV. The upper bound for the van der Waals binding energy of 2AP−NH2 (S1) and Ar is estimated to be ∼525 cm-1. Blue-shifts of the 10b2 out-of-plane vibrational mode by clustering provide the evidence of one atom-caging effect in the vibrational motion. Van der Waals modes at internal energies of 21 and 13 cm-1 are weakly observed in MATI spectra of 2AP−NH2+·Ar and 2AP−NH2+·Ar2 clusters, respectively, indicating that the cluster ionization is accompanied by the minimum structural change. Ab initio calculated cluster structures are also reported. |
| Starting Page | 4826 |
| Ending Page | 4828 |
| Page Count | 3 |
| File Format | PDF HTM / HTML |
| DOI | 10.1021/jp026938r |
| Volume Number | 107 |
| Alternate Webpage(s) | http://cdnl.kaist.ac.kr/LABjournal/43.pdf |
| Alternate Webpage(s) | https://doi.org/10.1021/jp026938r |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
