State-specific chemistry of atomic and ligated transition metal ions

Peter B. Armentrout; Christy L. Haynes; Brenda L. Tjelta; Yumin Chen

doi:10.1117/12.220855

18 September 1995 State-specific chemistry of atomic and ligated transition metal ions

Peter B. Armentrout, Christy L. Haynes, Brenda L. Tjelta, Yumin Chen

Proceedings Volume 2548, Laser Techniques for State-Selected and State-to-State Chemistry III; (1995) https://doi.org/10.1117/12.220855
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

The ability of iron ions to activate methane is studied in detail by using a guided ion beam tandem mass spectrometer. State-specific results for ground state Fe⁺(⁶D) and first excited state Fe⁺(⁴F) with methane are determined by varying the source conditions for Fe⁺. A more complete picture of the potential energy surface for this reaction is obtained by examining one of the reverse processes, FeCH₂⁺ plus H₂. The influence of ligands on the metal reactivity is also investigated for this reaction system. The reactions of methane with both FeCO⁺ and Fe(H₂O)⁺ are examined with the latter exhibiting much greater reactivity. This result is attributed to the more favorable thermodynamics associated with the electronic configuration on Fe⁺ as induced by the H₂O ligand.

Citation Download Citation

Peter B. Armentrout, Christy L. Haynes, Brenda L. Tjelta, and Yumin Chen "State-specific chemistry of atomic and ligated transition metal ions", Proc. SPIE 2548, Laser Techniques for State-Selected and State-to-State Chemistry III, (18 September 1995); https://doi.org/10.1117/12.220855

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