Publications

Wolfgang. Kaim. Materials with electronic transitions in the near-infrared. Journal of Chemical Sciences (Berlin, Germany), (131)9:1--6, 2019. [PUMA: complex electronic radical ruthenium transition]

Konrad Kowalski, Michael Linseis, Rainer F. Winter, Manfred Zabel, Stanislav Zalis, Harald Kelm, Hans-Jorg Kruger, Biprajit Sarkar, and 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]

W. Kaim, A. Schulz, F. Hilgers, H. D. Hausen, M. Moscherosch, A. Lichtblau, J. Jordanov, and E. Roth. Structure, spectroscopy and magnetism of 1,4-dihydro-1,4-diazine radical cations: Exceptionally stable intermediates related to methylviologen and flavosemiquinone radicals. Research on Chemical Intermediates, (19)7:603--615, 1993. [PUMA: cation dihydrodiazine electronic magnetism;spectra radical review spectra]

Fabian Ehret, Martina Bubrin, Ralph Huebner, David Schweinfurth, Ingo Hartenbach, Stanislav Zalis, and Wolfgang. Kaim. Filling Gaps in the Series of Noninnocent Hetero-1,3-diene Chelate Ligands: Ruthenium Complexes of Redox-Active a-Azocarbonyl and a-Azothiocarbonyl Ligands RNNC(R')E, E = O or S. Inorganic Chemistry, (51)11:6237--6244, 2012. [PUMA: acac benzoylphenyldiazene bipyridine;ruthenium crystal electronic prepn redox ruthenium spectroelectrochem structure thiobenzoylphenyldiazene]

T. Scheiring, W. Kaim, and J. Fiedler. Geometrical and electronic structures of the acetyl complex Re(bpy)(CO)3(COCH3) and of M(bpy)(CO)4(OTf), M = Mn, Re. Journal of Organometallic Chemistry, (598)1:136--141, 2000. [PUMA: acetyl bipyridine complex complex;geometrical crystal electronic manganese mol rhenium structure]

Goutam Kumar Lahiri, and Wolfgang. Kaim. Electronic structure alternatives in nitrosylruthenium complexes. Dalton Transactions, (39)19:4471--4478, 2010. [PUMA: active complex electronic ligand nitrosyl redox review ruthenium structure]

Prasenjit Mondal, Madhumita Chatterjee, Alexa Paretzki, Katharina Beyer, Wolfgang Kaim, and Goutam Kumar. Lahiri. Noninnocence of Indigo: Dehydroindigo Anions as Bridging Electron-Donor Ligands in Diruthenium Complexes. Inorganic Chemistry, (55)6:3105--3116, 2016. [PUMA: complex;ruthenium crystal dehydroindigo dinuclear electrochem electronic mononuclear phenylazopyridine prepn ruthenium spectroelectrochem structure]

Madhumita Chatterjee, Prasenjit Mondal, Katharina Beyer, Alexa Paretzki, Wolfgang Kaim, and Goutam Kumar. Lahiri. A structurally characterised redox pair involving an indigo radical: Indigo based redox activity in complexes with one or two Ru(bpy)2 fragments. Dalton Transactions, (46)15:5091--5102, 2017. [PUMA: DFT bipyridine complex crystal density dinuclear dinuclear;electrochem dinuclear;electron dinuclear;ruthenium electronic indigo mononuclear prepn redox ruthenium spin structure;spectroelectrochem transition]

van Nguyen, Ioannis Tiritiris, Rainer F. Winter, Biprajit Sarkar, Priti Singh, Carole Duboc, Alvaro Munoz-Castro, Ramiro Arratia-Perez, Wolfgang Kaim, and Thomas. Schleid. Oxidative perhydroxylation of closo-B12H122- to the stable inorganic cluster redox system B12(OH)122-/·-: Experiment and theory. Chemistry - A European Journal, (16)37:11242-11245, S11242/1-S11242/8, 2010. [PUMA: borate cesium cesium;dodecahydroxododecaborate closo cluster crystal cyclic dodecahydroxododecaborate electronic hydroxoborate hypocloso perhydroxylation prepn structure transition;oxidative voltammetry]

Paul S. Braterman, Jae Inh Song, Stephan Kohlmann, Conny Vogler, and Wolfgang. Kaim. Spectroelectrochemistry of aromatic ligands and their derivatives. III. Binuclear transition metal complexes of copper(I), molybdenum(0), and rhenium(I) with 2,2'-bipyrimidine. Erratum to document cited in CA116(2):12392f. Journal of Organometallic Chemistry, (424)1:C2, 1992. [PUMA: Erratum Erratum;Erratum bipyrimidine carbonyl complex copper electronic electroredn metal potential;molybdenum redn rhenium spectrum transition visible]

H. D. Hausen, Wolfgang Kaim, Andreas Schulz, Michael Moscherosch, and Jeanne. Jordanov. First evidence for p-p dimerization of stable 1,4-dialkylquinoxalinium radical cations. Structure, spectroscopy, and magnetism. Zeitschrift fuer Naturforschung, B: A Journal of Chemical Sciences, (48)9:1181--1186, 1993. [PUMA: cation crystal diethyldihydro diethyldihydroquinoxaline electronic moment radical radical;magnetic radical;mol radical;quinoxaline ray;spectra structure x]

Hemlata Agarwala, Thomas Michael Scherer, Somnath Maji, Tapan Kumar Mondal, Shaikh M. Mobin, Jan Fiedler, Francisco A. Urbanos, Reyes Jimenez-Aparicio, Wolfgang Kaim, and 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: acac bridged crystal cyclic dinuclear dinuclear;ruthenium electronic mixed oxamidato prepn ruthenium structure structure;spectroelectrochem valent voltammetry]

Prasenjit Mondal, Sebastian Plebst, Ritwika Ray, Shaikh M. Mobin, Wolfgang Kaim, and Goutam Kumar. Lahiri. Uncommon cis Configuration of a Metal-Metal Bridging Noninnocent Nindigo Ligand. Inorganic Chemistry, (53)17:9348--9356, 2014. [PUMA: acac bipyridine crystal dinuclear;ruthenium electron electronic mononuclear noninnocent phenylimineindigo prepn ruthenium spectroelectrochem structure transfer]

Hemlata Agarwala, Thomas Michael Scherer, Shaikh M. Mobin, Wolfgang Kaim, and Goutam Kumar. Lahiri. Bidirectional non-innocence of the b-diketonato ligand 9-oxidophenalenone (L-) in Ru(9aneS3)(L)(dmso)n, 9aneS3 = 1,4,7-trithiacyclononane. Dalton Transactions, (43)10:3939--3948, 2014. [PUMA: DFT DMSO calcn complex crystal electrochem electronic oxidophenalenone prepn ruthenium structure structure;ruthenium trithiacyclononane]

Anita Drozdz, Martina Bubrin, Jan Fiedler, Stanislav Zalis, and Wolfgang. Kaim. (a-Diimine)tricarbonylhalorhenium complexes: The oxidation side. Dalton Transactions, (41)3:1013--1019, 2012. [PUMA: carbonyl chloro;rhenium crystal diimine electrochem electronic halo rhenium structure]

Stanislav Zalis, Hermann Stoll, Evert Jan Baerends, and Wolfgang. Kaim. The d0, d1, and d2 Configurations in Known and Unknown Tetrathiometal Compounds MS4n- (M = Mo, Tc, Ru; W, Re, Os). A Quantum Chemical Study. Inorganic Chemistry, (38)26:6101--6105, 1999. [PUMA: calcn calcn;molybdenum calcn;osmium calcn;rhenium calcn;ruthenium calcn;technetium calcn;tetrathiometalate calcn;thiometalate calcn;transition calcn;tungsten electronic energetic metal metalate mol structure sulfide tetrathio]

Juergen Poppe, Michael Moscherosch, and Wolfgang. Kaim. An unusually weak intervalence transition in a very stable bis chelate analog of the ruthenium mixed-valent Creutz-Taube ion. UV/visible/near-IR and EPR spectroelectrochemistry of (NH3)4Ru(m-bptz)Ru(NH3)4n+ (bptz = 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine; n = 3 - 5). Inorganic Chemistry, (32)12:2640--2643, 1993. [PUMA: ESR ammine complex complex;UV complex;redox complex;ruthenium electronic factor g potential pyridyl ruthenium spectrum structure tetrazine]

Monika Sieger, Klaus Hubler, Thomas Scheiring, Torsten Sixt, Stanislav Zalis, and Wolfgang. Kaim. Geometrical and ground state electronic structures of nitrosylcobalt complexes (RNCHCHNR)Co(NO)(CO) (R = isopropyl, 2,6-diisopropylphenyl or p-tolyl) from experiment and DFT-calculations. Zeitschrift fuer Anorganische und Allgemeine Chemie, (628)11:2360--2364, 2002. [PUMA: DFT calcn cobalt complex complex;nitrosylcobalt crystal diazabutadiene electronic ground mol nitrosyl prepn state structure]

Stanislav Zalis, and Wolfgang. Kaim. Electronic structures of two kinds of oligoborane radical anions: Mixed-valence description of a reduced p-phenylenediborane and spin density distributions in distorted octahedral clusters B6Hal6.-, Hal = Cl, Br, I. Main Group Chemistry, (5)4:267--276, 2006. [PUMA: anion anion;mixed boron cluster density distribution electronic halide octahedral oligoborane phenylenediborane radical structure structure;spin valence] URL

Alexa Paretzki, Martina Bubrin, Jan Fiedler, Stanislav Zalis, and Wolfgang. Kaim. Correlated Coordination and Redox Activity of a Hemilabile Noninnocent Ligand in Nickel Complexes. Chemistry - A European Journal, (20)18:5414--5422, 2014. [PUMA: activity;nickel complex complex;hemilabile crystal electronic iminobenzoquinone ligand methylthiomethylphenyl nickel noninnocent prepn redox spectroelectrochem structure]

Tanaya Kundu, Biprajit Sarkar, Tapan Kumar Mondal, Jan Fiedler, Shaikh M. Mobin, Wolfgang Kaim, and Goutam Kumar. Lahiri. Carboxylate Tolerance of the Redox-Active Platform Ru(m-tppz)Run, where tppz = 2,3,5,6-Tetrakis(2-pyridyl)pyrazine, in the Electron-Transfer Series (L)ClRu(m-tppz)RuCl(L)n, n = 2+, +, 0, -, and 2-, with 2-Picolinato, Quinaldato, and 8-Quinolinecarboxylato Ligands (L-). Inorganic Chemistry, (49)14:6565--6574, 2010. [PUMA: DFT complex complex;dinuclear crystal dinuclear electrochem electrochem;quinaldato electrochem;quinolinecarboxylato electronic picolinato prepn quinaldato quinolinecarboxylato ruthenium structure tetrakispyridylpyrazine]

Atanu Kumar Das, Biprajit Sarkar, Jan Fiedler, Stanislav Zalis, Ingo Hartenbach, Sabine Strobel, Goutam Kumar Lahiri, and Wolfgang. Kaim. 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]

Paul S. Braterman, Jae Inh Song, Stephan Kohlmann, Conny Vogler, and Wolfgang. Kaim. Spectroelectrochemistry of aromatic ligands and their derivatives. III. Binuclear transition metal complexes of copper(I), molybdenum(0), and rhenium(I) with 2,2'-bipyrimidine. Journal of Organometallic Chemistry, (411)1-2:207--213, 1991. [PUMA: binuclear bipyrimidine carbonyl complex copper electronic electroredn;transition metal potential redn rhenium spectrum spectrum;molybdenum visible]

Madhumita Chatterjee, Sudipta Mondal, Prabir Ghosh, Wolfgang Kaim, and Goutam Kumar. Lahiri. Mononuclear and Dinuclear Ruthenium Complexes of cis- and trans-Thioindigo: Geometrical and Electronic Structure Analyses. Inorganic Chemistry, (57)19:12187--12194, 2018. [PUMA: ESR acetylacetonato complex crystal electrochem electronic prepn ruthenium structure structures thioindigo thioindigo;ruthenium]

Biprajit Sarkar, Stephanie Frantz, Sayak Roy, Monika Sieger, Carole Duboc, Gert Denninger, Hans-Juergen Kuemmerer, and Wolfgang. Kaim. High-frequency EPR and structural data as complementary information on stable radical complexes containing the semi-reduced azo function. Journal of Molecular Structure, (890)1-3:133--138, 2008. [PUMA: ESR azo coupling electronic function orbit radical spin structure]

Atanu Kumar Das, Ralph Huebner, Biprajit Sarkar, Jan Fiedler, Stanislav Zalis, Goutam Kumar Lahiri, and Wolfgang. Kaim. UV-vis-NIR and EPR characterization of the redox series MQ32+,+,0,-,2-, M = Ru or Os, and Q = o-quinone derivative. Dalton Transactions, (41)29:8913--8921, 2012. [PUMA: EPR MQ3 NIR deriv electronic osmium quinone ruthenium]

Fan Zhang, Guenther Goetz, Elena Mena-Osteritz, Matthias Weil, Biprajit Sarkar, Wolfgang Kaim, and Peter. Baeuerle. Molecular and electronic structure of cyclo10thiophene in various oxidation states: Polaron pair vs. bipolaron. Chemical Science, (2)4:781--784, 2011. [PUMA: bipolaron crystal cyclothiophene electronic oxidn polaron structure]

Michael Moscherosch, and Wolfgang. Kaim. A first robust complex of tetradentate TCNQ. Evidence for two weakly coupled diruthenium(II,III) subsystems in symmetrical tetranuclear complexes (μ4-TCNX)Ru(NH3)548+ (TCNX = TCNE, TCNQ). Inorganica Chimica Acta, (206)2:229--230, 1993. [PUMA: MO TCNQ complex complex;TCNE complex;frontier complex;magnetic complex;redox complex;spectra electronic moment potential ruthenium structure]

Frank Hilgers, Wolfgang Kaim, Andreas Schulz, and Stanislav. Zalis. Electronic absorption spectroscopy of some exceptionally stable 1,4-dialkyl-1,4-dihydro-1,4-diazinium radical cations: Assignment of transitions, vibrational structure and effects of p-p dimerization. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry, 1:135--138, 1994. [PUMA: UV absorption cation cation;transition cation;vibrational dialkyldihydrodiazinium dimerization electronic pi radical stable structure]

Sylvia Ernst, and Wolfgang. Kaim. On charge transfer-assisted polynucleation reactions. A trinuclear carbonyl-tungsten complex of ambident 4,4'-bipyrimidine. Inorganica Chimica Acta, (144)2:223--226, 1988. [PUMA: bipyrimidine carbonyl electrochem electronic transition trinuclear trinuclear;redox trinuclear;tungsten tungsten]

Dipanwita Das, Atanu Kumar Das, Biprajit Sarkar, Tapan Kumar Mondal, Shaikh M. Mobin, Jan Fiedler, Stanislav Zalis, Francisco A. Urbanos, Reyes Jimenez-Aparicio, Wolfgang Kaim, and Goutam Kumar. Lahiri. The Semiquinone-Ruthenium Combination as a Remarkably Invariant Feature in the Redox and Substitution Series Ru(Q)n(acac)3-nm, n = 1-3; m = (-2), -1, 0, +1, (+2); Q = 4,6-Di-tert-butyl-N-phenyl-o-iminobenzoquinone. Inorganic Chemistry, (48)24:11853--11864, 2009. [PUMA: acac crystal electronic iminobenzosemiquinone magnetic prepn property redox ruthenium series;electrochem series;ruthenium structure substitution]