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Complexes of Gold and Imidazole Formed in Helium Nanodroplets by Gatchell, Michael; Goulart, Marcelo; Kranabetter, Lorentz; Kuhn, Martin; Martini, Paul; Rasul, Bilal; Scheier, Paul is a scholarly article available to read on EtoBox.

What is Complexes of Gold and Imidazole Formed in Helium Nanodroplets about?

We have studied complexes of gold atoms and imidazole (C$_3$N$_2$H$_4$, abbreviated Im) produced in helium nanodroplets. Following the ionization of the doped droplets we detect a broad range of different Au$_m$Im$_n^+$ complexes, however we find that for specific values of $m$ certain $n$ are "magic" and thus particularly abundant. Our density functional theory calculations indicate that these abundant clusters sizes are partially the result of particularly stable complexes, e.g. AuIm$_2^+$, and partially due to a transition in fragmentation patterns from the loss of neutral imidazole molecules for large systems to the loss of neutral gold atoms for smaller systems.

Author

Gatchell, Michael; Goulart, Marcelo; Kranabetter, Lorentz; Kuhn, Martin; Martini, Paul; Rasul, Bilal; Scheier, Paul

Published

2019

Language

EN