Does (Ser)2 have a neutral structure? How does the zwitterion evolve with an increasing cluster size of serine (Ser)? Infrared spectroscopic and mass‐spectrometric analysis of [H(Ser)n]+ (n=2–8) shows progressive stabilization of the zwitterion with increasing cluster size, and the results of ab initio calculations based on density functional theory of [H(Ser)2]+ are also given (picture: a neutral structure; red O, blue N, gray C, white H).
Hat (Ser)2 eine neutrale Struktur? Wie verändert sich das Zwitterion bei steigender Clustergröße von Serin (Ser)? Eine Kombination aus IR‐Spektroskopie und Massenspektrometrie von [H(Ser)n]+ (n=2–8) zeigt eine zunehmende Stabilisierung des Zwitterions, wenn die Clustergröße wächst. Die Ergebnisse von Ab‐initio‐Rechnungen von [H(Ser)2]+ auf der Basis der Dichtefunktionaltheorie sind ebenfalls gegeben (Bild: eine neutrale Struktur; rot O, blau N, grau C, weiß H).
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