Mixed Valence Aspects of Diruthenium Complexes (L)ClRu2(m-tppz)n+ Incorporating 2-(2-Pyridyl)azoles (L) as Ancillary Functions and 2,3,5,6-Tetrakis(2-pyridyl)pyrazine (Tppz) as Bis-Tridentate Bridging Ligand. Inorganic Chemistry, (43)16:5128--5133, 2004. [PUMA: complex complex;pyridylbenzimidazole dinuclear electrochem prepn prepn;pyridylbenzoxazole prepn;pyridylbenzthiazole prepn;ruthenium pyridylazole pyridylpyrazine redox ruthenium]
Coupling of organometallic reaction centers through the non-planar bridging ligand 2,3-bis(2-pyridyl)pyrazine. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)13-14:2409--2417, 2004. [PUMA: binuclear bis complex complex;mol complex;redox complex;rhodium crystal half iridium mononuclear pentamethylcyclopentadienyl potential prepn pyridylpyrazine rhodium sandwich structure]
Probing Mixed Valence in a New tppz-Bridged Diruthenium(III,II) Complex (μ-tppz)Ru(bik)Cl23+ (tppz = 2,3,5,6-Tetrakis(2-pyridyl)pyrazine, bik = 2,2'-Bis(1-methylimidazolyl)ketone): EPR Silence, Intervalence Absorption, and nCO Line Broadening. Inorganic Chemistry, (46)9:3736--3742, 2007. [PUMA: ESR IR UV charge electrochem methylimidazolylketone methylimidazolylketone;intervalence methylimidazolylketone;ruthenium mixed oxidn prepn pyridylpyrazine redn ruthenium transfer transition valent]
Four bridging bis chelate ligands with very low lying p* orbitals. MO perturbation calculations, electrochemistry, and spectroscopy of mononuclear and binuclear group 6 metal tetracarbonyl complexes. Inorganic Chemistry, (26)1:68--77, 1987. [PUMA: Group MO VIB azobipyridine bipyrimidine bischelant carbonyl;Group carbonyl;MO carbonyl;electronic carbonyl;energy electrochem electrochem;bipyrimidine electrochem;electrochem electrochem;pyridyltetrazine level pyridylpyrazine pyridyltetrazine;pyridylpyrazine transition]
A Five-Center Redox System: Molecular Coupling of Two Noninnocent Imino-o-benzoquinonato-Ruthenium Functions through a p Acceptor Bridge. Journal of the American Chemical Society, (131)25:8895--8902, 2009. [PUMA: bridged center crystal dinuclear;redox electrochem electronic five iminoquinone prepn pyridylpyrazine redox ruthenium spectroelectrochem;ruthenium structure system]
Strong metal-metal coupling in mixed-valent intermediates Cl(L)Ru(m-tppz)Ru(L)Cl+, L = b-diketonato ligands, tppz = 2,3,5,6-tetrakis(2-pyridyl)pyrazine. Dalton Transactions, (41)43:13429--13440, 2012. [PUMA: DFT;optimized MO MO;dinuclear acetylacetonate acetylacetonato crystal diketonate dinuclear electrochem mixed mol prepn pyridylpyrazine redox ruthenium structure valence]
2,2'-Dipyridylketone (dpk) as Ancillary Acceptor and Reporter Ligand in Complexes (dpk)(Cl)Ru(m-tppz)Ru(Cl)(dpk)n+ where tppz = 2,3,5,6-Tetrakis(2-pyridyl)pyrazine. Inorganic Chemistry, (45)19:7955--7961, 2006. [PUMA: dipyridylketone electrochem prepn pyridylpyrazine ruthenium spectroelectrochem]
Redox-Rich Spin-Spin-Coupled Semiquinoneruthenium Dimers with Intense Near-IR Absorption. Inorganic Chemistry, (50)11:4753--4763, 2011. [PUMA: absorption complex complex;ESR complex;IR complex;electronic complex;prepn complex;spin coupling dinuclear electrochem pyridylpyrazine ruthenium semiquinone structure]