Electron interactions with Bis(pentamethylcyclopentadienyl) titanium(IV) dichloride and difluoride★,★★
Department of Chemistry, University of Konstanz,
2 Department of Atomic, Molecular, and Optical Physics, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, ul. G. Narutowicza 11/12, 80-233 Gdańsk, Poland
3 J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Dolejškova 3, 18223 Prague, Czech Republic
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Received in final form: 18 April 2018
Published online: 14 June 2018
We present a combined experimental and theoretical study of the interaction of electrons with Bis(pentamethylcyclopentadienyl)titanium(IV) dichloride (Cp2*TiCl2) and difluoride (Cp2*TiF2). We report the experimental measurements of partial cross sections for the dissociative electron attachment (DEA) and the electron ionization (EI) mass spectra of isolated molecules. Estimates of the absolute cross sections are done on the basis of cross-calibration in the case of DEA and on the basis of binary-encounter-Bethe calculation in the case of EI. EI of both molecules is similar, concerning cross section amplitude and fragmentation pattern. DEA is different: DEA to Cp2*TiF2 primarily results in the formation of stable parent anion, while DEA to Cp2*TiCl2 results in the strong fragmentation, primarily into Cl− anion. Possible use of the molecules as the model species for studies of DEA efficiency in postirradiation chemistry is discussed.
Contribution to the Topical Issue “Atomic Cluster Collisions”, edited by Alexey Verkhovtsev, Andrey V. Solov’yov, Germán Rojas-Lorenzo, and Jesús Rubayo Soneira.
Supplementary material in the form of one pdf file available from the Journal web page at https://doi.org/10.1140/epjd/e2018-80794-6.
© EDP Sciences / Società Italiana di Fisica / Springer-Verlag GmbH Germany, part of Springer Nature, 2018