Electronic states of neutral and cationic bis(benzene) titanium and vanadium sandwich complexes studied by pulsed field ionization electron spectroscopy.
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| Abstract | :  Ti- and V-bz2 (bz=C6H6) sandwich complexes have been prepared in a laser-ablation cluster beam source and studied by pulsed field ionization-zero electron kinetic energy photoelectron spectroscopy and theoretical calculations. The ground electronic states of the neutral Ti- and V-bz2 complexes are determined to be 1A1g and 2A1g, and their ionization energies are measured to be 5.732+/-0.001 and 5.784+/-0.002 eV, respectively. These neutral complexes have eta6 binding and are in an eclipsed D6h configuration with flat benzene rings. Ionization of the 1A1g and 2A1g neutral states of Ti- and V-bz2 yields the 2B1g and 3B1g ion states, respectively, in a D2h point group with slightly puckered benzene rings. In addition, the binding and structures of these two complexes are compared with other first-row transition metal bis(benzene) sandwiches. | 
| Year of Publication | :  2007 | 
| Journal | :  The Journal of chemical physics | 
| Volume | :  127 | 
| Issue | :  11 | 
| Number of Pages | :  114302 | 
| Date Published | :  2007 | 
| ISSN Number | :  0021-9606 | 
| URL | :  https://doi.org/10.1063/1.2771158 | 
| DOI | :  10.1063/1.2771158 | 
| Short Title | :  J Chem Phys | 
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