Publications

Biprajit Sarkar, Wolfgang Kaim, Jan Fiedler, und Carole. Duboc. Molecule-Bridged Mixed-Valent Intermediates Involving the RuI Oxidation State. Journal of the American Chemical Society, (126)45:14706--14707, 2004. [PUMA: UV arene areneruthenium azobispyridine bridged charge complex complex;redox complex;ruthenium dimer;EPR dimer;cyclic diruthenium iminomethylpyrazine mixed potential prepn spectra transfer transition valence voltammetry]

Konrad Kowalski, Michael Linseis, Rainer F. Winter, Manfred Zabel, Stanislav Zalis, Harald Kelm, Hans-Jorg Kruger, Biprajit Sarkar, und Wolfgang. Kaim. Charge delocalization in a heterobimetallic ferrocene-(vinyl)Ru(CO)Cl(PiPr3)2 system. Organometallics, (28)14:4196--4209, 2009. [PUMA: calcn communication complex complex;frontier complex;mixed complex;solvent complex;vinylferrocene conjugation crystal effect electronic electrooxidn;mol ethenylruthenium ferrocenyl mixed orbital oxidn prepn ruthenium sigma spectra structure valence]

Markus Glockle, Nestor E. Katz, Michael Ketterle, und Wolfgang. Kaim. Qualitatively and quantitatively different solvatochromism of the MLCT and MMCT absorption bands of centrosymmetric acceptor-bridged diiron(II,II) and diiron(III,II) cyanide complexes. Inorganica Chimica Acta, (336):55--60, 2002. [PUMA: absorption charge complex cyano iron mixed solvatochromism transfer valence]

Sandeep Ghumaan, Biprajit Sarkar, Mahendra P. Patil, Jan Fiedler, Raghavan B. Sunoj, Wolfgang Kaim, und Goutam Kumar. Lahiri. Multiple one-electron oxidation and reduction of trinuclear bis(2,4-pentanedionato)ruthenium complexes with substituted diquinoxalino2,3-a:2',3'-cphenazine ligands. Polyhedron, (26)13:3409--3418, 2007. [PUMA: DFT MO acac diquinoxalinophenazine electrochem frontier mixed prepn redox;spectroelectrochem ruthenium substituted trinuclear trinuclear;EPR trinuclear;mixed trinuclear;ruthenium valence]

Wolfgang Kaim, Wolfgang Bruns, Juergen Poppe, und Volker. Kasack. Spectroscopy of mixed valent states in dinuclear ions and metalloproteins. Journal of Molecular Structure, (292):221--228, 1993. [PUMA: ESR IR complex complex;UV mixed review review;metalloprotein review;review spectroscopy valence]

Infrared spectroelectrochemical investigations of ultrafast electron transfer in mixed-valence complexes: Spectroelectrochem. In J. Catherine Salsman, und Clifford P. Kubiak (Hrsg.), Royal Society of Chemistry, 2008. [PUMA: IR cell design;ultrafast electron mixed reflectance review spectroelectrochem transfer valence]

Tanaya Kundu, David Schweinfurth, Biprajit Sarkar, Tapan Kumar Mondal, Jan Fiedler, Shaikh M. Mobin, Vedavati G. Puranik, Wolfgang Kaim, und Goutam Kumar. Lahiri. 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]

Frank Baumann, Wolfgang Kaim, Gert Denninger, Hans-Juergen Kuemmerer, und Jan. Fiedler. Widely Separated Reduction Processes of abpy-Coupled Areneosmium(II) Reaction Centers (abpy = 2,2'-Azobispyridine): Stabilization of the Radical Intermediate and of the Os0OsII State. Organometallics, (24)8:1966--1973, 2005. [PUMA: EPR arene azobispyridine binuclear bipyrimidine bridged cation complex complex;osmium diosmium mixed osmium potential;radical redox spectra valence]

Wolfgang Kaim, und Biprajit. Sarkar. Mixed valency in ruthenium complexes - Coordinative aspects. Coordination Chemistry Reviews, (251)3+4:584--594, 2007. [PUMA: complex interaction metal mixed review ruthenium valence]

Mixed-valence intermediates as ideal targets for spectroelectrochemistry (SEC): Spectroelectrochem. In Wolfgang Kaim, Biprajit Sarkar, und Goutam Kumar. Lahiri (Hrsg.), Royal Society of Chemistry, 2008. [PUMA: ESR IR catalysis electrocatalysis intermediate mixed optical redox review;review spectroelectrochem valence vibrational]

Renate Gross, und Wolfgang. Kaim. Neutral spin-delocalized mixed-valence manganese(I)-manganese(II) dimers bridged by alkoxide, imidazolate, or malonodinitrile anions. Inorganic Chemistry, (25)27:4865--4870, 1986. [PUMA: alkoxide anion complex complex;ESR complex;intervalence complex;malononitrile complex;manganese dimeric manganese mixed transition valence valence;imidazolate]

Wolfgang Kaim, und Biprajit. Sarkar. Mixed valency in ruthenium complexes - Coordinative aspects. Coordination Chemistry Reviews, (251)3+4:584--594, 2007. [PUMA: complex interaction metal mixed review ruthenium valence]

Frank Baumann, Wolfgang Kaim, Gert Denninger, Hans-Juergen Kuemmerer, und Jan. Fiedler. Widely Separated Reduction Processes of abpy-Coupled Areneosmium(II) Reaction Centers (abpy = 2,2'-Azobispyridine): Stabilization of the Radical Intermediate and of the Os0OsII State. Organometallics, (24)8:1966--1973, 2005. [PUMA: EPR arene azobispyridine binuclear bipyrimidine bridged cation complex complex;osmium diosmium mixed osmium potential;radical redox spectra valence]

Tanaya Kundu, David Schweinfurth, Biprajit Sarkar, Tapan Kumar Mondal, Jan Fiedler, Shaikh M. Mobin, Vedavati G. Puranik, Wolfgang Kaim, und Goutam Kumar. Lahiri. 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]

Infrared spectroelectrochemical investigations of ultrafast electron transfer in mixed-valence complexes: Spectroelectrochem. In J. Catherine Salsman, und Clifford P. Kubiak (Hrsg.), Royal Society of Chemistry, 2008. [PUMA: IR cell design;ultrafast electron mixed reflectance review spectroelectrochem transfer valence]

Wolfgang Kaim, Wolfgang Bruns, Juergen Poppe, und Volker. Kasack. Spectroscopy of mixed valent states in dinuclear ions and metalloproteins. Journal of Molecular Structure, (292):221--228, 1993. [PUMA: ESR IR complex complex;UV mixed review review;metalloprotein review;review spectroscopy valence]

Sandeep Ghumaan, Biprajit Sarkar, Mahendra P. Patil, Jan Fiedler, Raghavan B. Sunoj, Wolfgang Kaim, und Goutam Kumar. Lahiri. Multiple one-electron oxidation and reduction of trinuclear bis(2,4-pentanedionato)ruthenium complexes with substituted diquinoxalino2,3-a:2',3'-cphenazine ligands. Polyhedron, (26)13:3409--3418, 2007. [PUMA: DFT MO acac diquinoxalinophenazine electrochem frontier mixed prepn redox;spectroelectrochem ruthenium substituted trinuclear trinuclear;EPR trinuclear;mixed trinuclear;ruthenium valence]

Markus Glockle, Nestor E. Katz, Michael Ketterle, und Wolfgang. Kaim. Qualitatively and quantitatively different solvatochromism of the MLCT and MMCT absorption bands of centrosymmetric acceptor-bridged diiron(II,II) and diiron(III,II) cyanide complexes. Inorganica Chimica Acta, (336):55--60, 2002. [PUMA: absorption charge complex cyano iron mixed solvatochromism transfer valence]

Konrad Kowalski, Michael Linseis, Rainer F. Winter, Manfred Zabel, Stanislav Zalis, Harald Kelm, Hans-Jorg Kruger, Biprajit Sarkar, und Wolfgang. Kaim. Charge delocalization in a heterobimetallic ferrocene-(vinyl)Ru(CO)Cl(PiPr3)2 system. Organometallics, (28)14:4196--4209, 2009. [PUMA: calcn communication complex complex;frontier complex;mixed complex;solvent complex;vinylferrocene conjugation crystal effect electronic electrooxidn;mol ethenylruthenium ferrocenyl mixed orbital oxidn prepn ruthenium sigma spectra structure valence]

Biprajit Sarkar, Wolfgang Kaim, Jan Fiedler, und Carole. Duboc. Molecule-Bridged Mixed-Valent Intermediates Involving the RuI Oxidation State. Journal of the American Chemical Society, (126)45:14706--14707, 2004. [PUMA: UV arene areneruthenium azobispyridine bridged charge complex complex;redox complex;ruthenium dimer;EPR dimer;cyclic diruthenium iminomethylpyrazine mixed potential prepn spectra transfer transition valence voltammetry]