Reactions of laser-ablated Zn and Cd atoms with O2: Infrared spectra of ZnO, OZnO, CdO, and OCdO in solid argon
- 1 March 1997
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 106 (9) , 3457-3465
- https://doi.org/10.1063/1.473441
Abstract
Laser ablated Zn and Cd atoms contain sufficient excess energy to react directly with O2 to produce the subject molecules. A zinc isotopic triplet at 769.2, 766.8, 764.5 cm−1 gave a doublet with statistical isotopic oxygen confirming the identification of ZnO. A previous resonance Raman fundamental at 769 cm−1 is reassigned to ZnO, which suggests a green visible absorption for the zinc oxide molecule. A zinc isotopic triplet at 748.2, 744.4, 740.9 cm−1 produced a triplet with statistical isotopic oxygen and isotopic shifts appropriate for the linear OZnO dioxide molecule. Cadmium is less reactive than zinc; infrared absorptions at 645.1 and 626.6, 625.4 cm−1 exhibit proper oxygen isotopic behavior for assignment to CdO and OCdO and the latter showed partially resolved cadmium isotopic splittings.Keywords
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