Publications

Sylvia Ernst, Volker Kasack, und Wolfgang. Kaim. What determines the comproportionation constant in molecule-bridged mixed-valence complexes? Evidence for the crucial role of the ligand LUMO in four ruthenium(II)ruthenium(III) dimers. Inorganic Chemistry, (27)7:1146--1148, 1988. [PUMA: voltammetry bipyridine comproportionation;pyridyltetrazine azobipyridine nitrogen complex density complex;electron mixed valent heterocycle complex;pyridylpyrazine dinuclear ruthenium comproportionation;comproportionation complex;LUMO comproportionation;sym comproportionation;voltammetry]

Michael Ketterle, Wolfgang Kaim, und Jan. Fiedler. Valence delocalization in a strongly coupled (Kc = 1014) molecule-bridged cyanodiiron(III,II) species. Chemical Communications (Cambridge, United Kingdom), 16:1701--1702, 1998. [PUMA: dinuclear comproportionation cyano bridged;iron prepn;mixed bridged;valence const pyrimidyltetrazine iron delocalization bridged valent]

Wolfgang Kaim, und Goutam Kumar. Lahiri. Unconventional mixed-valent complexes of ruthenium and osmium. Angewandte Chemie, International Edition, (46)11:1778--1796, 2007. [PUMA: mediated intramol osmium complex mixed valent ligand ruthenium review;valence transfer review review;review electron bridged exchange transfer;ruthenium]

Moumita Koley, Biprajit Sarkar, Sandeep Ghumaan, Ece Bulak, Jan Fiedler, Wolfgang Kaim, und Goutam Kumar. Lahiri. Probing Mixed Valence in a New tppz-Bridged Diruthenium(III,II) Complex (μ-tppz)[Ru(bik)Cl]23+ (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: UV ESR charge IR electrochem redn mixed valent transition ruthenium transfer methylimidazolylketone;ruthenium pyridylpyrazine methylimidazolylketone;intervalence methylimidazolylketone oxidn prepn]

Mark R. Ringenberg, Max Schwilk, Florian Wittkamp, Ulf-Peter Apfel, und Wolfgang. Kaim. Organometallic Fe-Fe Interactions: Beyond Common Metal-Metal Bonds and Inverse Mixed-Valent Charge Transfer. Chemistry - A European Journal, (23)8:1770--1774, 2017. [PUMA: calcn;mol charge crystal optimized mol complex bond redox valent spectroelectrochem carbonyl structure prepn;mixed transfer ferrocenyl iron]

Axel Klein, Steffen Hasenzahl, Wolfgang Kaim, und Jan. Fiedler. On the Question of Mixed-Valent States in Ligand-Bridged Dinuclear Organoplatinum Compounds [RkPt(m-L)PtRk]n, k = 2 or 4. Organometallics, (17)16:3532--3538, 1998. [PUMA: voltammetry organoplatinum;mixed valent prepn;spectroelectrochem ligand dinuclear pyrazine tetrazine organoplatinum bridged organoplatinum;platinum organo cyclic]

Srikanta Patra, Biprajit Sarkar, Sandeep Ghumaan, Jan Fiedler, Wolfgang Kaim, und Goutam Kumar. Lahiri. Isovalent and Mixed-Valent Diruthenium Complexes [(acac)2RuII(m-bpytz)RuII(acac)2] and [(acac)2RuII(m-bpytz)RuIII(acac)2](ClO4) (acac = Acetylacetonate and bpytz = 3,6-Bis(3,5-dimethylpyrazolyl)-1,2,4,5-tetrazine): Synthesis, Spectroelectrochemical, and EPR Investigation. Inorganic Chemistry, (43)19:6108--6113, 2004. [PUMA: ruthenium comproportionation ESR;ruthenium pyrazolyltetrazine crystal electrochem acetylacetonate valent spectroelectrochem pyrazolyltetrazine;mixed prepn structure]

Wolfgang Kaim, Axel Klein, und Markus. Gloeckle. Exploration of Mixed-Valence Chemistry: Inventing New Analogues of the Creutz-Taube Ion. Accounts of Chemical Research, (33)11:755--763, 2000. [PUMA: chem ion Taube review mixed valent Creutz prepn]

Stanislav Zalis, Biprajit Sarkar, Carole Duboc, und Wolfgang. Kaim. Evidence for the dimer-of-(mixed-valent dimers) configuration in tetranuclear (μ4-TCNX)[Ru(NH3)5]48+, TCNX = TCNE and TCNQ, from DFT calculations. Monatshefte fuer Chemie, (140)7:765--773, 2009. [PUMA: ruthenium tetracyanoethene tetranuclear configuration dimer complex mixed valent]

Wolfgang Kaim, Sascha Berger, Stefan Greulich, Ralf Reinhardt, und Jan. Fiedler. Electronic coupling of two [Cp*ClM]+/[Cp*M] reaction centers via p conjugated bridging ligands: Similarities and differences between rhodium and iridium analogues. Journal of Organometallic Chemistry, (582)2:153--159, 1999. [PUMA: center;iridium complex redn redox valent coupling dirhodium bispyridinyltetrazine iridium diiridium binuclear tetrazinebispyrinyl intermediate bidentate electron spectroelectrochem;mixed rhodium]

Sascha Berger, Axel Klein, Matthias Wanner, Wolfgang Kaim, und Jan. Fiedler. Electron Paramagnetic Resonance and Spectroscopic Characteristics of Electrogenerated Mixed-Valent Systems [(h5-C5Me5)M(m-L)M(h5-C5Me5)]+ (M = Rh, Ir; L = 2,5-Diiminopyrazines) in Relation to the Radicals [(h5-C5Me5)ClM(m-L)MCl(h5-C5Me5)]+ and [(h5-C5Me5)M(m-L)MCl(h5-C5Me5)]2+. Inorganic Chemistry, (39)12:2516--2521, 2000. [PUMA: pentamethylcyclopentadienyl;iminoethyl electrochem redn mixed redn;ESR valent iridium pentamethylcyclopentadienyl bxip pyrazine cyclopentadienyl chloro bpip diiminopyrazine rhodium prepn]

Hemlata Agarwala, Thomas Michael Scherer, Somnath Maji, Tapan Kumar Mondal, Shaikh M. Mobin, Jan Fiedler, Francisco A. Urbanos, Reyes Jimenez-Aparicio, Wolfgang Kaim, und Goutam Kumar. Lahiri. Correspondence of RuIIIRuII and RuIVRuIII Mixed Valent States in a Small Dinuclear Complex. Chemistry - A European Journal, (18)18:5667-5675, S5667/1-S5667/21, 2012. [PUMA: voltammetry crystal oxamidato dinuclear;ruthenium mixed valent acac structure dinuclear ruthenium structure;spectroelectrochem bridged electronic cyclic prepn]

Markus Glockle, und Wolfgang. Kaim. An exceedingly stable diiron(II,III) complex ion [(tz)Fe(CN)52]5- with comproportionation constants between 108 (in H2O) and 1019 (in CH3CN). Angewandte Chemie, International Edition, (38)20:3072--3074, 1999. [PUMA: decacyano pentacyano stability;tetrazine valent valence stability;iron comproportionation diiron valence;mixed tetrazine iron bridged prepn]