Publications

Sandeep Ghumaan, Biprajit Sarkar, Somnath Maji, Vedavati G. Puranik, Jan Fiedler, Francisco A. Urbanos, Reyes Jimenez-Aparicio, Wolfgang Kaim, and Goutam Kumar. Lahiri. Valence-state analysis through spectroelectrochemistry in a series of quinonoid-bridged diruthenium complexes (acac)2Ru(m-L)Ru(acac)2n (n = +2, +1, 0, -1, -2). Chemistry - A European Journal, (14)34:10816--10828, 2008. [PUMA: bridge complex diruthenium quinonoid spectroelectrochem state valence]

Martina Heilmann, Stephanie Frantz, Wolfgang Kaim, Jan Fiedler, and Carole. Duboc. Mixed-valent and radical states of complexes (bpy)2M(m-abpy)M'(bpy)2n+, M,M' = Ru or Os, abpy = 2,2'-azobispyridine: Electron transfer vs. hole transfer mechanism in azo ligand-bridged complexes. Inorganica Chimica Acta, (359)3:821--829, 2006. [PUMA: EPR azobispyridine bridge complex complex;electron complex;hole complex;mixed cyclic electrochem heterobinuclear;osmium homobinuclear osmium prepn redox ruthenium spectroelectrochem;radical transfer valence voltammetry]

Biprajit Sarkar, Stephanie Frantz, Wolfgang Kaim, and Carole. Duboc. High-frequency EPR study of reduced diruthenium and dirhenium polypyridine complexes based on the 1,2,4,5-tetrazine radical bridge. Dalton Transactions, 21:3727--3731, 2004. [PUMA: EPR EPR;ruthenium bridge polypyridine prepn radical rhenium tetrazine]

Sudipta Mondal, Brigitte Schwederski, Wolfgang Frey, Jan Fiedler, Stanislav Zalis, and Wolfgang. Kaim. At the Borderline between Metal-Metal Mixed Valency and a Radical Bridge Situation: Four Charge States of a Diruthenium Complex with a Redox-Active Bis(mer-tridentate) Ligand. Inorganic Chemistry, (57)7:3983--3992, 2018. [PUMA: DFT active;ruthenium analysis bridge charge complex;mixed crystal diruthenium prepn radical redox ruthenium salicyloylhydrazide spectroelectrochem state structure tertbutylterpyridine valency]

Monika Bach, Sayak Roy, Biprajit Sarkar, Martina Bubrin, Mark Niemeyer, Jan Fiedler, Carole Duboc, and Wolfgang. Kaim. Heterotetranuclear Complexes of Reduced and Non-reduced Bridging 1,2,4,5-Tetrazine Ligands with 1,1'-Bis(diphenylphosphanyl)-ferrocene-copper(I). Zeitschrift fuer Anorganische und Allgemeine Chemie, (641)2:327--331, 2015. [PUMA: bispyrazinyltetrazine bispyridyltetrazine bridge bridged complex complex;cyclic copper dppf electrochem prepn redn;bispyridyltetrazine redn;crystal structure voltammetry]