Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 16, Issue 2, Pages 527-532Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp53176g
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Funding
- U.S. National Science Foundation [CHE-1011895, CHE-1266152]
- Photonics Fellowship program
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1266152] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1011895] Funding Source: National Science Foundation
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A photoelectron imaging study of the oxazolide anion obtained by selective deprotonation of oxazole at the C2 position is reported. The photodetachment transitions observed at 355, 392, and 532 nm are assigned to the ground state of the neutral oxazolyl sigma radical. A Franck-Condon analysis of this transition aids in the first determination of the adiabatic electron affinity of oxazolyl, EA = 2.21 +/- 0.02 eV. A vibrational progression with a frequency of 890 +/- 80 cm(-1) is observed, corresponding to an in-plane ring distortion mode. The photoelectron angular distributions are analyzed using the mixed s-p model, shedding light on the hybrid character of the anion HOMO.
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