Publications

Frank Baumann, Wolfgang Kaim, Gert Denninger, Hans-Juergen Kuemmerer, and 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: arene osmium EPR complex diosmium mixed cation redox valence bipyrimidine spectra azobispyridine potential;radical complex;osmium binuclear bridged]

Sandeep Ghumaan, Biprajit Sarkar, Srikanta Patra, Kumar Parimal, Joris van Slageren, Jan Fiedler, Wolfgang Kaim, and Goutam Kumar. Lahiri. 3,6-Bis(2'-pyridyl)pyridazine (L) and its deprotonated form (L - H+)- as ligands for (acac)2Run+ or (bpy)2Rum+: Investigation of mixed valency in (acac)2Ru2(m-L - H+)0 and (bpy)2Ru2(m-L - H+)4+ by spectroelectrochemistry and EPR. Dalton Transactions, 4:706--712, 2005. [PUMA: bipyridine cyclometalated cyclometalated;spectroelectrochem crystal cyclometalated;mixed redox valence acac bispyridylpyridazine;electrochem structure ruthenium cyclometalated;EPR bispyridylpyridazine]

Sanjib Kar, Biprajit Sarkar, Sandeep Ghumaan, Deepa Janardanan, Joris van Slageren, Jan Fiedler, Vedavati G. Puranik, Raghavan B. Sunoj, Wolfgang Kaim, and Goutam Kumar. Lahiri. 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: charge complex;ruthenium electrochem complex complex;electrochem bond redox valence acac complex;crystal ligand structure dinuclear ruthenium transfer complex;mixed bridged dioxidobenzoquinonediimine complex;hydrogen bridging prepn]