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: acac bond bridged bridging charge complex complex;crystal complex;electrochem complex;hydrogen complex;mixed complex;ruthenium dinuclear dioxidobenzoquinonediimine electrochem ligand prepn redox ruthenium structure transfer valence]
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 chloro cis complex complex;electrochem complex;ruthenium crystal isomerism prepn redox ruthenium structure terpyridine trans]
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: acetylacetonate aminopyrazolyltetrazine bipyridine charge complex complex;crystal complex;electrochem complex;ruthenium luminescence redox ruthenium spectrum structure transfer]
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: complex complex;electrochem complex;geometry complex;kinetics complex;oxidn complex;ruthenium crystal hydroxide kinetics nitrosyl optimized prepn pyrazolylmethane reaction redn ruthenium structure]
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: acetylacetonate azobispyridine complex complex;electrochem complex;electronic complex;geometry complex;ruthenium crystal isomeric optimized prepn redox ruthenium structure]