Tetrazine derived mononuclear RuII(acac)2(L) (1), RuII(bpy)2(L)(ClO4)2 (2) and RuII(bpy)(L)2(ClO4)2 (3) (L = 3-amino-6-(3,5-dimethylpyrazol-1-yl)-1,2,4,5-tetrazine, acac = acetylacetonate, bpy = 2,2'-bipyridine): Syntheses, structures, spectra and redox properties. Polyhedron, (24)2:333--342, 2005. [PUMA: aminopyrazolyltetrazine bipyridine charge complex;ruthenium complex complex;electrochem redox complex;crystal structure ruthenium luminescence transfer spectrum acetylacetonate]
Theoretical and experimental evidence for a new kind of spin-coupled singlet species: Isomeric mixed-valent complexes bridged by a radical anion ligand. Angewandte Chemie, International Edition, (44)35:5655--5658, 2005. [PUMA: crystal complex;ruthenium optimized complex;geometry complex complex;electrochem complex;electronic redox azobispyridine isomeric structure ruthenium acetylacetonate prepn]