Photodissociation spectroscopy of Mg+—Ar
✍ Scribed by J.S. Pilgrim; C.S. Yeh; M.A. Duncan
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 481 KB
- Volume
- 210
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Mg+-Ar ion-molecule complexes are produced in a pulsed supersonic nozzle cluster source. The complexes are mass selected and studied with laser photodissociation spectroscopy in a reflectron time-of-flight mass spectrometer system. An electronic transition assigned as X 2Z++211 is observed with an origin at 31387 cm-' (vat) for 24Mg+-Ar. The 24Mg+-Ar spectrum is characterized by a 15 member progression with a frequency (0:) of 272 cm-'. An extrapolation of this progression fixes the excited state dissociation energy (Db) at 5552 cm-'. The corresponding ground-state value ( 06) is 1270 cm-' (3.6 kcal/mol). The 211,,,,s,2 spin-orbit splitting is 76 cm-'.
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