Publications

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

Michael Subat, Kristina Woinaroschy, Corinna Gerstl, Biprajit Sarkar, Wolfgang Kaim, and Burkhard. Koenig. 1,4,7,10-Tetraazacyclododecane metal complexes as potent promoters of phosphodiester hydrolysis under physiological conditions. Inorganic Chemistry, (47)11:4661--4668, 2008. [PUMA: binuclear bipyridinyl bridged catalyst catalyst;zinc hydrolysis kinetics mononuclear nitrophenyl phosphate pyridinyl tetraazacyclododecane triazine triazinyl zinc]

Joerg Maurer, Biprajit Sarkar, Wolfgang Kaim, Rainer F. Winter, and Stanislav. Zalis. Towards new organometallic wires: Tetraruthenium complexes bridged by phenylenevinylene and vinylpyridine ligands. Chemistry - A European Journal, (13)36:10257--10272, 2007. [PUMA: DFT bridged complex complex;vinylpyridine delocalization electrochem electron phenylenevinylene prepn ruthenium spectroelectrochem tetranuclear vinylpyridine]

Sayak Roy, Biprajit Sarkar, Hans-Georg Imrich, Jan Fiedler, Stanislav Zalis, Reyes Jimenez-Aparicio, Francisco A. Urbanos, Shaikh M. Mobin, Goutam Kumar Lahiri, and Wolfgang. Kaim. Charged, but Found \dqNot Guilty\dq: Innocence of the Suspect Bridging Ligands RO(O)CNNC(O)OR2- = L2- in (acac)2Ru(m-L)Ru(acac)2n, n = +,0,-,2-. Inorganic Chemistry, (51)17:9273--9281, 2012. [PUMA: acac alkylazodicarboxylato bridged crystal diastereoisomer dinuclear isomer;ruthenium isopropylazodicarboxylato meso prepn ruthenium spectroelectrochem structure]

Renate Gross, and Wolfgang. Kaim. Tetranuclear mixed valent manganese complexes with reduced TCNE or TCNQ as h4-bridged ligands. Angewandte Chemie, (99)3:257--259, 1987. [PUMA: bridged complex complex;TCNE complex;TCNQ manganese tetranuclear]

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: acac bond bridged bridging charge complex complex;crystal complex;electrochem complex;hydrogen complex;mixed complex;ruthenium dinuclear dioxidobenzoquinonediimine electrochem ligand prepn redox ruthenium structure transfer valence]

F. Albert Cotton, William H. Ilsley, and Wolfgang. Kaim. Sensitivity of the chromium-chromium quadrupole bond to axial interactions in dichromium(II) compounds. Journal of the American Chemical Society, (102)10:3464--3474, 1980. [PUMA: amide bond bridged bridged;structure chromium dimer quadrupole]

Axel Klein, Wolfgang Kaim, Fridmann M. Hornung, Jan Fiedler, and Stanislav. Zalis. Electronic and molecular structure of 2,2'-bipyrimidine-bridged bis(organoplatinum) complexes in various oxidation states. Radical-bridged diplatinum species and the absence of a Pt(III)/Pt(II) mixed-valent intermediate. Inorganica Chimica Acta, (264)1-2:269--278, 1997. [PUMA: bipyrimidine bridged crystal dinuclear;electrochem dinuclear;electronic diplatinum;DFT mol organoplatinum oxidn platinum structure]

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: EPR arene azobispyridine binuclear bipyrimidine bridged cation complex complex;osmium diosmium mixed osmium potential;radical redox spectra valence]

Joerg Maurer, Biprajit Sarkar, Brigitte Schwederski, Wolfgang Kaim, Rainer F. Winter, and Stanislav. Zalis. Divinylphenylene-Bridged Diruthenium Complexes Bearing Ru(CO)Cl(PiPr3)2 Entities. Organometallics, (25)15:3701--3712, 2006. [PUMA: DFT;DFT addn bridged bridging cation;divinylphenylene complex complex;diethynylbenzene complex;diruthenium diruthenium divinylphenylene electrochem hydro ligand oxidn prepn;electrochem radical ruthenium stereoselective]

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]

F. Albert Cotton, William H. Illsley, and Wolfgang. Kaim. A new mixed-ligand complex of the quadruply bonded ditungsten unit bis(N,N'-diphenylacetamidinato)bis(2,4-dimethyl-6-hydroxypyrimidinato)ditungsten bis(tetrahydrofuranate). Inorganic Chemistry, (18)12:3569--3571, 1979. [PUMA: acetamidinato bridged hydroxy hydroxypyrimidinato pyrimidine tungsten tungsten;structure]

Mohommad M. R. Choudhuri, Wolfgang Kaim, Biprajit Sarkar, and Robert J. Crutchley. Non-Innocence of 1,4-Dicyanamidobenzene Bridging Ligands in Dinuclear Ruthenium Complexes. Inorganic Chemistry, (52)19:11060--11066, 2013. [PUMA: bipyridine bridged complex complex;ESR complex;ligand complex;prepn complex;spectroelectrochem cyclic dicyanamidobenzene dinuclear noninnocence ruthenium terpyridine voltammetry]

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

F. Albert Cotton, William H. Ilsley, and Wolfgang. Kaim. Two new amidato-bridged dimolybdenum(II) compounds: TetrakisN-(2,6-dimethylphenyl)formamidodimolybdenum bis(tetrahydrofuranate) and tetrakis(N-phenylpivalamido)dimolybdenum. Inorganic Chemistry, (19)12:3586--3589, 1980. [PUMA: amidato bridged complex complex;pivalamido complex;structure formamido molybdenum]

Anshu Singhal, Vimal K. Jain, Axel Klein, Mark Niemeyer, and Wolfgang. Kaim. Thiolato-bridged \dqLinear\dq trinuclear platinum complexes Pt3(m-SR)4(dppm)22+. Inorganica Chimica Acta, (357)7:2134--2142, 2004. [PUMA: arylthiolate bridged crystal dinuclear linear methanediphosphine phenylphosphinomethane platinum prepn structure tolylthiolate trinuclear trinuclear;platinum]

Amarendra Nath Maity, Brigitte Schwederski, and Wolfgang. Kaim. The redox pair (μ4-TCNE)Fe(CO)2(C5H5)44+/3+: Surprisingly small metal-ligand interaction and the first resolved EPR hyperfine structure (13C, 14N, 57Fe) of a tetranuclear complex with TCNE-. Inorganic Chemistry Communications, (8)7:600--602, 2005. [PUMA: MLCT band bridged charge complex complex;EPR complex;metal complex;redox complex;tetracyanoethylene coordinated coupling cyclopentadienyl cyclopentadienyliron dicarbonyl hyperfine interaction iron ligand nitrogen potential prepn spectrum tetracyanoethylene tetranuclear transfer]

Jianhui Wang, Shoujian Li, Chong Zheng, Ang Li, Narayan S. Hosmane, John A. Maguire, Herbert W. Roesky, Christopher C. Cummins, and Wolfgang. Kaim. Chemistry of C-Trimethylsilyl-Substituted Heterocarboranes. 30. Synthetic and Structural Studies on Oxide Ion Encapsulating Tetralanthanide Tetrahedra Surrounded by \dqCarbons Apart\dq C2B4-Carborane Ligands (Ln(III) = La, Nd, Gd, Tb, Ho, Lu). Organometallics, (23)20:4621--4629, 2004. [PUMA: bridged carborane complex dicarbahexaborane lanthanide oxo prepn prepn;crystal prepn;mol structure tetramer]

Doyel Kumbhakar, Biprajit Sarkar, Somnath Maji, Shaikh M. Mobin, Jan Fiedler, Francisco A. Urbanos, Reyes Jimenez-Aparicio, Wolfgang Kaim, and Goutam Kumar. Lahiri. Intramolecular Valence and Spin Interaction in meso and rac Diastereomers of a p-Quinonoid-Bridged Diruthenium Complex. Journal of the American Chemical Society, (130)51:17575--17583, 2008. [PUMA: bridged crystal diastereoisomer diastereoisomer;electrochem diastereoisomer;magnetic diastereoisomer;quinonoid diruthenium interaction intramol prepn property quinonoid redox spin structure valence]

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]

Sayak Roy, Monika Sieger, Priti Singh, Mark Niemeyer, Jan Fiedler, Carole Duboc, and Wolfgang. Kaim. A radical-bridged bis(ferrocenylcopper(I)) complex: Structural identity, multifrequency EPR, and spectroelectrochemistry. Inorganica Chimica Acta, (361)6:1699--1704, 2008. [PUMA: azodicarboxylate bridged complex complex;dicopper complex;spectroelectrochem crystal dicopper diphosphinoferrocene prepn radical structure structure;electrochem]

Stephanie Frantz, Ralf Reinhardt, Stefan Greulich, Matthias Wanner, Jan Fiedler, Carole Duboc-Toia, and Wolfgang. Kaim. Multistep redox sequences of azopyridyl (L) bridged reaction centers in stable radical complex ions (μ-L)MCl(η5-C5Me5)2$\surd$+, M = Rh or Ir: Spectroelectrochemistry and high-frequency EPR spectroscopy. Dalton Transactions, 17:3370--3375, 2003. [PUMA: ESR azopyridyl azopyrimidine azopyrimidinyl bridged bridged;spectro cation cyclopentadienyl electrochem ion iridium pentamethylcyclopentadienyl prepn;radical radical rhodium]

Liladhar B. Kumbhare, Amey P. Wadawale, Vimal K. Jain, Monika Sieger, and Wolfgang. Kaim. Binuclear rhodium(III) and iridium(III) monoselenocarboxylates: Synthesis, spectroscopy and structure of an ortho-metalated iridium complex featuring an IrCCC(m-Se) chelate ring. Inorganic Chemistry Communications, (13)4:475--478, 2010. [PUMA: binuclear bridged complex complex;rhodium crystal iridium metalated monoselenocarboxylate ortho phenylcarboselenolate prepn prepn;mol structure]

Prasad P. Phadnis, Vimal K. Jain, Axel Klein, Michael Weber, and Wolfgang. Kaim. Configurational selectivity in benzyldimethylarsine complexes of palladium(II) and platinum(II): Synthesis, spectroscopy and structures. Inorganica Chimica Acta, (346):119--128, 2003. [PUMA: NMR;cis acetato benzyldimethylarsine benzyldimethylarsine;crystal bridged chloro cis correlation dinuclear halo isomer mononuclear palladium platinum prepn pyrazolato structure trans trans;platinum]

Markus Gloeckle, Wolfgang Kaim, and Jan. Fiedler. Valence Delocalization despite Weak Metal-Metal Coupling in a Bis(organoosmium(III,II)) Complex with a Pyrazine Bridge. Organometallics, (17)23:4923--4925, 1998. [PUMA: bridged complex complex;mixed complex;osmium delocalization;spectroelectrochem dinuclear electrochem osmium oxidn prepn pyrazine valence]

Abhishek Mandal, Md Asmaul Hoque, Anita Grupp, Alexa Paretzki, Wolfgang Kaim, and Goutam Kumar. Lahiri. Analysis of Redox Series of Unsymmetrical 1,4-Diamido-9,10-anthraquinone-Bridged Diruthenium Compounds. Inorganic Chemistry, (55)5:2146--2156, 2016. [PUMA: ancillary bridged complex complex;cyclic complex;unsym crystal diamidoanthraquinone dinuclear diruthenium effect ligand prepn ruthenium spectroelectrochem structure unsym voltammetry]

Avi Bino, F. Albert Cotton, and Wolfgang. Kaim. A tetrakis(amidinato)dichromium complex with a \dqsupershort\dq chromium-chromium quadruple bond. Inorganic Chemistry, (18)12:3566--3568, 1979. [PUMA: amidinato axial bond bridged chromium complex ligand;chromium]

Markus Glockle, and Wolfgang. Kaim. An exceedingly stable diiron(II,III) complex ion (tz)Fe(CN)525- with comproportionation constants between 108 (in H2O) and 1019 (in CH3CN). Angewandte Chemie, International Edition, (38)20:3072--3074, 1999. [PUMA: bridged comproportionation decacyano diiron iron pentacyano prepn stability;iron stability;tetrazine tetrazine valence valence;mixed valent]

Michael Ketterle, Wolfgang Kaim, and 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: bridged bridged;iron bridged;valence const cyano delocalization dinuclear iron prepn;mixed valent comproportionation pyrimidyltetrazine]

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]

Neeladri Das, Atta M. Arif, Peter J. Stang, Monika Sieger, Biprajit Sarkar, Wolfgang Kaim, and Jan. Fiedler. Self-Assembly of Heterobimetallic Neutral Macrocycles Incorporating Ferrocene Spacer Groups: Spectroelectrochemical Analysis of the Double Two-Electron Oxidation of a Molecular Rectangle. Inorganic Chemistry, (44)16:5798--5804, 2005. [PUMA: anthracenediyl bridged complex;heterobimetallic crystal electrochem ferrocene macrocycle multinuclear neutral oxidn;phenanthrenediyl platinum platinyl prepn redox spacer spectroelectrochem structure]

Biprajit Sarkar, Wolfgang Kaim, Jan Fiedler, and 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]

Srikanta Patra, Biprajit Sarkar, Sandeep Ghumaan, Jan Fiedler, Wolfgang Kaim, and Goutam Kumar. Lahiri. The triruthenium complex (acac)2RuII3(L) containing a conjugated diquinoxaline2,3-f:2',3'-hphenazine (L) bridge and acetylacetonate (acac) as ancillary ligands. Synthesis, spectroelectrochemical and EPR investigation. Dalton Transactions, 5:754--758, 2004. [PUMA: acetylacetonato acetylacetonato;EPR bridged diquinoxalinephenazine electrochem prepn redox redox;ruthenium ruthenium spectroelectrochem;UV trinuclear visible]

Wolfgang Kaim, Thomas Scheiring, Michael Weber, and Jan. Fiedler. The conjugative bridging of organometallic reaction centers in heterodinuclear complexes (OC)3ClRe(m-L)MCl(C5Me5)+, M = Rh or Ir - Spectroscopic consequences of reductive activation. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)12:1883--1893, 2004. [PUMA: ESR IR UV arom bis bridged chelate chelate;redox chelate;rhenium compd complex complex;spectroelectrochem conjugated electrochem half heterobinuclear heterocyclic iridium ligand;rhodium nitrogen potential prepn;pyrazine prepn;redn pyrimidine rhenium rhodium sandwich tetrazole]

Wolfgang Kaim, Thomas Scheiring, Michael Weber, and Jan. Fiedler. The conjugative bridging of organometallic reaction centers in heterodinuclear complexes (OC)3ClRe(m-L)MCl(C5Me5)+, M = Rh or Ir - Spectroscopic consequences of reductive activation. Zeitschrift fuer Anorganische und Allgemeine Chemie, (630)12:1883--1893, 2004. [PUMA: ESR IR UV arom bis bridged chelate chelate;redox chelate;rhenium compd complex complex;spectroelectrochem conjugated electrochem half heterobinuclear heterocyclic iridium ligand;rhodium nitrogen potential prepn;pyrazine prepn;redn pyrimidine rhenium rhodium sandwich tetrazole]

Srikanta Patra, Biprajit Sarkar, Sandeep Ghumaan, Jan Fiedler, Wolfgang Kaim, and Goutam Kumar. Lahiri. The triruthenium complex (acac)2RuII3(L) containing a conjugated diquinoxaline2,3-f:2',3'-hphenazine (L) bridge and acetylacetonate (acac) as ancillary ligands. Synthesis, spectroelectrochemical and EPR investigation. Dalton Transactions, 5:754--758, 2004. [PUMA: acetylacetonato acetylacetonato;EPR bridged diquinoxalinephenazine electrochem prepn redox redox;ruthenium ruthenium spectroelectrochem;UV trinuclear visible]

Biprajit Sarkar, Wolfgang Kaim, Jan Fiedler, and 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]

Neeladri Das, Atta M. Arif, Peter J. Stang, Monika Sieger, Biprajit Sarkar, Wolfgang Kaim, and Jan. Fiedler. Self-Assembly of Heterobimetallic Neutral Macrocycles Incorporating Ferrocene Spacer Groups: Spectroelectrochemical Analysis of the Double Two-Electron Oxidation of a Molecular Rectangle. Inorganic Chemistry, (44)16:5798--5804, 2005. [PUMA: anthracenediyl bridged complex;heterobimetallic crystal electrochem ferrocene macrocycle multinuclear neutral oxidn;phenanthrenediyl platinum platinyl prepn redox spacer spectroelectrochem structure]

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]

Michael Ketterle, Wolfgang Kaim, and 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: bridged bridged;iron const cyano dinuclear iron prepn;mixed valent bridged;valence comproportionation delocalization pyrimidyltetrazine]

Markus Glockle, and Wolfgang. Kaim. An exceedingly stable diiron(II,III) complex ion (tz)Fe(CN)525- with comproportionation constants between 108 (in H2O) and 1019 (in CH3CN). Angewandte Chemie, International Edition, (38)20:3072--3074, 1999. [PUMA: bridged comproportionation decacyano diiron iron pentacyano prepn stability;iron stability;tetrazine tetrazine valence valence;mixed valent]

Avi Bino, F. Albert Cotton, and Wolfgang. Kaim. A tetrakis(amidinato)dichromium complex with a \dqsupershort\dq chromium-chromium quadruple bond. Inorganic Chemistry, (18)12:3566--3568, 1979. [PUMA: amidinato axial bond bridged chromium complex ligand;chromium]

Abhishek Mandal, Md Asmaul Hoque, Anita Grupp, Alexa Paretzki, Wolfgang Kaim, and Goutam Kumar. Lahiri. Analysis of Redox Series of Unsymmetrical 1,4-Diamido-9,10-anthraquinone-Bridged Diruthenium Compounds. Inorganic Chemistry, (55)5:2146--2156, 2016. [PUMA: ancillary bridged complex complex;cyclic complex;unsym crystal diamidoanthraquinone dinuclear diruthenium effect ligand prepn ruthenium spectroelectrochem structure unsym voltammetry]

Markus Gloeckle, Wolfgang Kaim, and Jan. Fiedler. Valence Delocalization despite Weak Metal-Metal Coupling in a Bis(organoosmium(III,II)) Complex with a Pyrazine Bridge. Organometallics, (17)23:4923--4925, 1998. [PUMA: bridged complex complex;mixed complex;osmium delocalization;spectroelectrochem dinuclear electrochem osmium oxidn prepn pyrazine valence]

Prasad P. Phadnis, Vimal K. Jain, Axel Klein, Michael Weber, and Wolfgang. Kaim. Configurational selectivity in benzyldimethylarsine complexes of palladium(II) and platinum(II): Synthesis, spectroscopy and structures. Inorganica Chimica Acta, (346):119--128, 2003. [PUMA: NMR;cis acetato benzyldimethylarsine benzyldimethylarsine;crystal bridged chloro cis correlation dinuclear halo isomer mononuclear palladium platinum prepn pyrazolato structure trans trans;platinum]

Liladhar B. Kumbhare, Amey P. Wadawale, Vimal K. Jain, Monika Sieger, and Wolfgang. Kaim. Binuclear rhodium(III) and iridium(III) monoselenocarboxylates: Synthesis, spectroscopy and structure of an ortho-metalated iridium complex featuring an IrCCC(m-Se) chelate ring. Inorganic Chemistry Communications, (13)4:475--478, 2010. [PUMA: binuclear bridged complex complex;rhodium crystal iridium metalated monoselenocarboxylate ortho phenylcarboselenolate prepn prepn;mol structure]

Stephanie Frantz, Ralf Reinhardt, Stefan Greulich, Matthias Wanner, Jan Fiedler, Carole Duboc-Toia, and Wolfgang. Kaim. Multistep redox sequences of azopyridyl (L) bridged reaction centers in stable radical complex ions (μ-L)MCl(η5-C5Me5)2$\surd$+, M = Rh or Ir: Spectroelectrochemistry and high-frequency EPR spectroscopy. Dalton Transactions, 17:3370--3375, 2003. [PUMA: ESR azopyridyl azopyrimidine azopyrimidinyl bridged bridged;spectro cation cyclopentadienyl electrochem ion iridium pentamethylcyclopentadienyl prepn;radical radical rhodium]

Sayak Roy, Monika Sieger, Priti Singh, Mark Niemeyer, Jan Fiedler, Carole Duboc, and Wolfgang. Kaim. A radical-bridged bis(ferrocenylcopper(I)) complex: Structural identity, multifrequency EPR, and spectroelectrochemistry. Inorganica Chimica Acta, (361)6:1699--1704, 2008. [PUMA: azodicarboxylate bridged complex complex;dicopper complex;spectroelectrochem crystal dicopper diphosphinoferrocene prepn radical structure structure;electrochem]

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]

Doyel Kumbhakar, Biprajit Sarkar, Somnath Maji, Shaikh M. Mobin, Jan Fiedler, Francisco A. Urbanos, Reyes Jimenez-Aparicio, Wolfgang Kaim, and Goutam Kumar. Lahiri. Intramolecular Valence and Spin Interaction in meso and rac Diastereomers of a p-Quinonoid-Bridged Diruthenium Complex. Journal of the American Chemical Society, (130)51:17575--17583, 2008. [PUMA: bridged crystal diastereoisomer diastereoisomer;electrochem diastereoisomer;magnetic diastereoisomer;quinonoid diruthenium interaction intramol prepn property quinonoid redox spin structure valence]

Jianhui Wang, Shoujian Li, Chong Zheng, Ang Li, Narayan S. Hosmane, John A. Maguire, Herbert W. Roesky, Christopher C. Cummins, and Wolfgang. Kaim. Chemistry of C-Trimethylsilyl-Substituted Heterocarboranes. 30. Synthetic and Structural Studies on Oxide Ion Encapsulating Tetralanthanide Tetrahedra Surrounded by \dqCarbons Apart\dq C2B4-Carborane Ligands (Ln(III) = La, Nd, Gd, Tb, Ho, Lu). Organometallics, (23)20:4621--4629, 2004. [PUMA: bridged carborane complex dicarbahexaborane lanthanide oxo prepn prepn;crystal prepn;mol structure tetramer]

Amarendra Nath Maity, Brigitte Schwederski, and Wolfgang. Kaim. The redox pair (μ4-TCNE)Fe(CO)2(C5H5)44+/3+: Surprisingly small metal-ligand interaction and the first resolved EPR hyperfine structure (13C, 14N, 57Fe) of a tetranuclear complex with TCNE-. Inorganic Chemistry Communications, (8)7:600--602, 2005. [PUMA: MLCT band bridged charge complex complex;EPR complex;metal complex;redox complex;tetracyanoethylene coordinated coupling cyclopentadienyl cyclopentadienyliron dicarbonyl hyperfine interaction iron ligand nitrogen potential prepn spectrum tetracyanoethylene tetranuclear transfer]

Anshu Singhal, Vimal K. Jain, Axel Klein, Mark Niemeyer, and Wolfgang. Kaim. Thiolato-bridged \dqLinear\dq trinuclear platinum complexes Pt3(m-SR)4(dppm)22+. Inorganica Chimica Acta, (357)7:2134--2142, 2004. [PUMA: arylthiolate bridged crystal dinuclear linear methanediphosphine phenylphosphinomethane platinum prepn structure tolylthiolate trinuclear trinuclear;platinum]

F. Albert Cotton, William H. Ilsley, and Wolfgang. Kaim. Two new amidato-bridged dimolybdenum(II) compounds: TetrakisN-(2,6-dimethylphenyl)formamidodimolybdenum bis(tetrahydrofuranate) and tetrakis(N-phenylpivalamido)dimolybdenum. Inorganic Chemistry, (19)12:3586--3589, 1980. [PUMA: amidato bridged complex complex;pivalamido complex;structure formamido molybdenum]

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

Mohommad M. R. Choudhuri, Wolfgang Kaim, Biprajit Sarkar, and Robert J. Crutchley. Non-Innocence of 1,4-Dicyanamidobenzene Bridging Ligands in Dinuclear Ruthenium Complexes. Inorganic Chemistry, (52)19:11060--11066, 2013. [PUMA: bipyridine bridged complex complex;ESR complex;ligand complex;prepn complex;spectroelectrochem cyclic dicyanamidobenzene dinuclear noninnocence ruthenium terpyridine voltammetry]

F. Albert Cotton, William H. Illsley, and Wolfgang. Kaim. A new mixed-ligand complex of the quadruply bonded ditungsten unit bis(N,N'-diphenylacetamidinato)bis(2,4-dimethyl-6-hydroxypyrimidinato)ditungsten bis(tetrahydrofuranate). Inorganic Chemistry, (18)12:3569--3571, 1979. [PUMA: acetamidinato bridged hydroxy hydroxypyrimidinato pyrimidine tungsten tungsten;structure]

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]

Joerg Maurer, Biprajit Sarkar, Brigitte Schwederski, Wolfgang Kaim, Rainer F. Winter, and Stanislav. Zalis. Divinylphenylene-Bridged Diruthenium Complexes Bearing Ru(CO)Cl(PiPr3)2 Entities. Organometallics, (25)15:3701--3712, 2006. [PUMA: DFT;DFT addn bridged bridging cation;divinylphenylene complex complex;diethynylbenzene complex;diruthenium diruthenium divinylphenylene electrochem hydro ligand oxidn prepn;electrochem radical ruthenium stereoselective]

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: EPR arene azobispyridine binuclear bipyrimidine bridged cation complex complex;osmium diosmium mixed osmium potential;radical redox spectra valence]

Axel Klein, Wolfgang Kaim, Fridmann M. Hornung, Jan Fiedler, and Stanislav. Zalis. Electronic and molecular structure of 2,2'-bipyrimidine-bridged bis(organoplatinum) complexes in various oxidation states. Radical-bridged diplatinum species and the absence of a Pt(III)/Pt(II) mixed-valent intermediate. Inorganica Chimica Acta, (264)1-2:269--278, 1997. [PUMA: bipyrimidine bridged crystal dinuclear;electrochem dinuclear;electronic diplatinum;DFT mol organoplatinum oxidn platinum structure]

F. Albert Cotton, William H. Ilsley, and Wolfgang. Kaim. Sensitivity of the chromium-chromium quadrupole bond to axial interactions in dichromium(II) compounds. Journal of the American Chemical Society, (102)10:3464--3474, 1980. [PUMA: amide bond bridged bridged;structure chromium dimer quadrupole]

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: acac bond bridged bridging charge complex complex;crystal complex;electrochem complex;hydrogen complex;mixed complex;ruthenium dinuclear dioxidobenzoquinonediimine electrochem ligand prepn redox ruthenium structure transfer valence]

Renate Gross, and Wolfgang. Kaim. Tetranuclear mixed valent manganese complexes with reduced TCNE or TCNQ as h4-bridged ligands. Angewandte Chemie, (99)3:257--259, 1987. [PUMA: bridged complex complex;TCNE complex;TCNQ manganese tetranuclear]

Sayak Roy, Biprajit Sarkar, Hans-Georg Imrich, Jan Fiedler, Stanislav Zalis, Reyes Jimenez-Aparicio, Francisco A. Urbanos, Shaikh M. Mobin, Goutam Kumar Lahiri, and Wolfgang. Kaim. Charged, but Found \dqNot Guilty\dq: Innocence of the Suspect Bridging Ligands RO(O)CNNC(O)OR2- = L2- in (acac)2Ru(m-L)Ru(acac)2n, n = +,0,-,2-. Inorganic Chemistry, (51)17:9273--9281, 2012. [PUMA: acac alkylazodicarboxylato bridged crystal diastereoisomer dinuclear isomer;ruthenium isopropylazodicarboxylato meso prepn ruthenium spectroelectrochem structure]

Joerg Maurer, Biprajit Sarkar, Wolfgang Kaim, Rainer F. Winter, and Stanislav. Zalis. Towards new organometallic wires: Tetraruthenium complexes bridged by phenylenevinylene and vinylpyridine ligands. Chemistry - A European Journal, (13)36:10257--10272, 2007. [PUMA: DFT bridged complex complex;vinylpyridine delocalization electrochem electron phenylenevinylene prepn ruthenium spectroelectrochem tetranuclear vinylpyridine]

Michael Subat, Kristina Woinaroschy, Corinna Gerstl, Biprajit Sarkar, Wolfgang Kaim, and Burkhard. Koenig. 1,4,7,10-Tetraazacyclododecane metal complexes as potent promoters of phosphodiester hydrolysis under physiological conditions. Inorganic Chemistry, (47)11:4661--4668, 2008. [PUMA: binuclear bipyridinyl bridged catalyst catalyst;zinc hydrolysis kinetics mononuclear nitrophenyl phosphate pyridinyl tetraazacyclododecane triazine triazinyl zinc]

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

Neeladri Das, Atta M. Arif, Peter J. Stang, Monika Sieger, Biprajit Sarkar, Wolfgang Kaim, and Jan. Fiedler. Self-Assembly of Heterobimetallic Neutral Macrocycles Incorporating Ferrocene Spacer Groups: Spectroelectrochemical Analysis of the Double Two-Electron Oxidation of a Molecular Rectangle. Inorganic Chemistry, (44)16:5798--5804, 2005. [PUMA: anthracenediyl bridged complex;heterobimetallic crystal electrochem ferrocene macrocycle multinuclear neutral oxidn;phenanthrenediyl platinum platinyl prepn redox spacer spectroelectrochem structure]

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: acac bond bridged bridging charge complex complex;crystal complex;electrochem complex;hydrogen complex;mixed complex;ruthenium dinuclear dioxidobenzoquinonediimine electrochem ligand prepn redox ruthenium structure transfer valence]

Amarendra Nath Maity, Brigitte Schwederski, and Wolfgang. Kaim. The redox pair (μ4-TCNE)Fe(CO)2(C5H5)44+/3+: Surprisingly small metal-ligand interaction and the first resolved EPR hyperfine structure (13C, 14N, 57Fe) of a tetranuclear complex with TCNE-. Inorganic Chemistry Communications, (8)7:600--602, 2005. [PUMA: MLCT band bridged charge complex complex;EPR complex;metal complex;redox complex;tetracyanoethylene coordinated coupling cyclopentadienyl cyclopentadienyliron dicarbonyl hyperfine interaction iron ligand nitrogen potential prepn spectrum tetracyanoethylene tetranuclear transfer]

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: EPR arene azobispyridine binuclear bipyrimidine bridged cation complex complex;osmium diosmium mixed osmium potential;radical redox spectra valence]