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Updated: Nov 14, 2025

Thermochemical Studies of NiII and ZnII Ternary Complexes Using Ion Mobility-Mass Spectrometry
Published on: June 8, 2022
Dinitrogen complexation and reduction at low-valent calcium
B Rösch1, T X Gentner1, J Langer1
1Inorganic Chemistry, University Erlangen-Nürnberg, 91058 Erlangen, Germany.
Abstract:
Here we report that attempted preparation of low-valent CaI complexes in the form of LCa-CaL (where L is a bulky β-diketiminate ligand) under dinitrogen (N2) atmosphere led to isolation of LCa(N2)CaL, which was characterized crystallographically. The N2 2- anion in this complex reacted in most cases as a very potent two-electron donor. Therefore, LCa(N2)CaL acts as a synthon for the low-valent CaI complex LCa-CaL, which was the target of our studies. The N2 2- anion could also be protonated to diazene (N2H2) that disproportionated to hydrazine and N2 The role of Ca d orbitals for N2 activation is discussed.
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