2,5-Dioxido-1,4-benzoquinonediimine (H2L2-), a hydrogen-bonding noninnocent bridging ligand related to aminated topaquinone: Different oxidation state distributions in complexes (bpy)2Ru2(m-H2L)n (n = 0 , +, 2+, 3+, 4+) and (acac)2Ru2(m-H2L)m (m = 2-, -, 0, +, 2+). Chemistry - A European Journal, (11)17:4901--4911, 2005. [PUMA: charge complex;ruthenium electrochem complex complex;electrochem bond redox valence acac complex;crystal ligand structure dinuclear ruthenium transfer complex;mixed bridged dioxidobenzoquinonediimine complex;hydrogen bridging prepn]
Cis/trans-isomerism of complexes RuCl2(S-dmso)tpy), tpy = terpyridine ligand. Zeitschrift fuer Anorganische und Allgemeine Chemie, (631)2-3:491--495, 2005. [PUMA: DMSO crystal complex;ruthenium complex complex;electrochem redox cis structure ruthenium trans terpyridine chloro isomerism prepn]
New Ruthenium Nitrosyl Complexes with Tris(1-pyrazolyl)methane (tpm) and 2,2'-Bipyridine (bpy) Coligands. Structure, Spectroscopy, and Electrophilic and Nucleophilic Reactivities of Bound Nitrosyl. Inorganic Chemistry, (45)21:8608--8617, 2006. [PUMA: reaction crystal complex;ruthenium hydroxide optimized complex;geometry complex complex;oxidn redn complex;electrochem structure ruthenium pyrazolylmethane nitrosyl complex;kinetics kinetics prepn]
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]