Tetrazine Chelate Ligands Bridging Two [Ru(acac)2] Fragments: Mixed Valency and Radical Complex Formation.

Autor:	Kaim, Wolfgang, Löw, Isabell, Ringenberg, Mark R., Schwederski, Brigitte, Filippou, Vasileios, Fiedler, Jan
Předmět:	BRIDGING ligands TETRAZINE CHELATES ELECTRON paramagnetic resonance spectroscopy LIGANDS (Chemistry) VALENCE (Chemistry)
Zdroj:	Zeitschrift für Anorganische und Allgemeine Chemie; 12/13/2022, Vol. 648 Issue 23, p1-9, 9p
Abstrakt:	Using bis(3‐methyl‐2‐pyridyl)‐1,2,4,5‐tetrazine 1, 3‐(2‐pyrimidyl)‐6‐methyl‐1,2,4,5‐tetrazine 2 and bis(2‐pyrimidyl)‐1,2,4,5‐tetrazine=bmtz as ligands, the complexes 3=[Ru(acac)2(1)], 4={[Ru(acac)2]2(1)], 5={[Ru(acac)2]2(bmtz)], and 6={[Ru(acac)2]2(2)] were prepared and identified by structure analysis of crystallized material. The one‐electron oxidized form 6(PF6) was also studied structurally, suggesting a Class II mixed‐valent situation. The neutral dinuclear systems exhibit two reversible oxidation processes with comproportionation constants 109.2
Databáze:	Complementary Index
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