The electronic spectrum of cryogenic ruthenium-tris-bipyridine dications in vacuo
Journal Article
·
· Journal of Chemical Physics
- JILA and Department of Physics, University of Colorado, Boulder, Colorado 80309-0440 (United States)
We report the electronic spectrum of the prototypical ruthenium coordination complex Ru(bpy){sub 3}{sup 2+} (bpy = 2, 2′-bipyridine) by messenger tagging with N{sub 2} in a cryogenic ion trap and photodissociation spectroscopy of mass selected Ru(bpy){sub 3}{sup 2+} ⋅ N{sub 2} ions. We observe individual electronic bands and groups of bands with unprecedented detail, particularly in the usually unresolved metal-to-ligand charge transfer region of the spectrum. By comparing our experimental results with time-dependent density functional theory, both with and without spin-orbit interaction [Heully et al., J. Chem. Phys. 131, 184308 (2009)], we are able to assign the spectrum of the isolated ion.
- OSTI ID:
- 22675967
- Journal Information:
- Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 2 Vol. 145; ISSN JCPSA6; ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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