Publications

Cueneyt Kavakli, Anders Gabrielsson, Monika Sieger, Brigitte Schwederski, Mark Niemeyer, and Wolfgang. Kaim. Reversible radical complex formation of an organometallic diplatinum(IV) compound. Journal of Organometallic Chemistry, (692)15:3151--3155, 2007. [PUMA: complex complex;ESR complex;trimethyl crystal electrochem methylpyridyl mol platinum prepn radical redn spectra structure tetrazine trimethylplatinum]

Oliver Heilmann, Fridmann M. Hornung, Jan Fiedler, and Wolfgang. Kaim. Organometallic iridium(III) and rhenium(I) complexes with lumazine, alloxazine and pterin derivatives. Journal of Organometallic Chemistry, (589)1:2--10, 1999. [PUMA: alloxazine complex complex;ESR complex;electrochem complex;iridium crystal cyclopentadienyl dimethylalloxazine electrochem iridium pivaloylpterin prepn redn redn;rhenium rhenium structure]

Chrisoph Titze, and Wolfgang. Kaim. Polychlorinated biaryl heterocycles as potential ligands. Reactions between octachloro-1,10-phenanthroline and -2,2'-bipyridine with copper(I) and other metal ions. Zeitschrift fuer Naturforschung, B: A Journal of Chemical Sciences, (51)7:981--988, 1996. [PUMA: attempted bipyridine chlorophenanthroline complex complex;ESR complex;phenanthroline complex;structure coordination copper perchloro potential potential;chlorophenanthroline potential;redn prepn prepn;crystal redn silver structure]

Shengfa Ye, Biprajit Sarkar, Mark Niemeyer, and Wolfgang. Kaim. Mixed-ligand copper complexes with 8-methylthioquinoline and triphenylphosphane or the o-semiquinone/catecholate redox system. European Journal of Inorganic Chemistry, 23:4735--4738, 2005. [PUMA: ESR;crystal complex complex;ESR copper methylthioquinoline phosphine prepn semiquinone structure tautomer valence]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Goutam Kumar Lahiri, and Wolfgang. Kaim. Mixed-Valent Metals Bridged by a Radical Ligand: Fact or Fiction Based on Structure-Oxidation State Correlations. Journal of the American Chemical Society, (130)11:3532--3542, 2008. [PUMA: acetylacetonate azobispyridine azobispyrimidine complex complex;ESR complex;MO complex;geometry complex;ruthenium electron optimized prepn ruthenium transfer]

Axel Knoedler, Jan Fiedler, and Wolfgang. Kaim. Characterization of the mixed-valent intermediate (n = 3) of the complex series (μ,η3:η3-L)Ru(terpy)2n+ with the unsaturated bridging ligand N,N'-bis(a-picolinoyl)hydrazido(2-) = L2-. Polyhedron, (23)4:701--707, 2004. [PUMA: complex complex;ESR complex;ruthenium dinuclear electrochem picolinoylhydrazido prepn redn ruthenium terpyridine]

Stephanie Frantz, Wolfgang Kaim, Jan Fiedler, and Carole. Duboc. Complexes of Re(CO)3Cl with different oxidation states of the polyfunctional bmtz/H2bmtz ligand system (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine). Inorganica Chimica Acta, (357)12:3657--3665, 2004. [PUMA: carbonyl complex complex;ESR complex;rhenium electrochem prepn pyrimidyltetrazine redox rhenium]

Sudipta Chatterjee, Priti Singh, Jan Fiedler, Radka Bakova, Stanislav Zalis, Wolfgang Kaim, and Sreebrata. Goswami. Effect of metal exchange (Os vs. Ru) and co-ligand variation (Cl- vs. acac-) on the oxidation state distribution in complexes of an o-phenylenediamido(2-)/o-quinonediimine redox system. Dalton Transactions, 37:7778--7785, 2009. [PUMA: complex complex;ESR complex;electronic complex;electrooxidn complex;electroredn complex;geometry complex;osmium complex;valence crystal optimized osmium prepn prepn;UV quinonediimine ruthenium structure structure;ruthenium visible]

Markus Gloeckle, Klaus Huebler, Hans-Juergen Kuemmerer, Gert Denninger, and Wolfgang. Kaim. Dicopper(I) Complexes with Reduced States of 3,6-Bis(2'-pyrimidyl)-1,2,4,5-tetrazine: Crystal Structures and Spectroscopic Properties of the Free Ligand, a Radical Species, and a Complex of the 1,4-Dihydro Form. Inorganic Chemistry, (40)10:2263--2269, 2001. [PUMA: complex complex;ESR copper dinuclear prepn pyrimidyltetrazine structure structure;crystal]

Ralph Huebner, Biprajit Sarkar, Jan Fiedler, Stanislav Zalis, and Wolfgang. Kaim. Metal(IV) Complexes M(LN,O,S)2n (M = Ru, Os) of a Redox-Active o-Amidophenolate Ligand (LN,O,S)2- with Coordinating Thioether Appendix. European Journal of Inorganic Chemistry, (2012)22:3569-3576, S3569/1-S3569/5, 2012. [PUMA: calcn complex complex;DFT complex;ESR complex;mononuclear crystal cyclic mononuclear osmium prepn ruthenium spectra structure;UV thiophenylamidophenolate tridentate voltammetry]

Shengfa Ye, Wolfgang Kaim, Biprajit Sarkar, Brigitte Schwederski, Falk Lissner, Thomas Schleid, Carole Duboc-Toia, and Jan. Fiedler. First crystal structure determination and high-frequency EPR study of an organoarsanecopper radical complex. Inorganic Chemistry Communications, (6)9:1196--1200, 2003. [PUMA: arsine complex complex;ESR complex;electrochem copper prepn pyridyltetrazine redox structure structure;crystal]

Shengfa Ye, Wolfgang Kaim, Biprajit Sarkar, Brigitte Schwederski, Falk Lissner, Thomas Schleid, Carole Duboc-Toia, and Jan. Fiedler. First crystal structure determination and high-frequency EPR study of an organoarsanecopper radical complex. Inorganic Chemistry Communications, (6)9:1196--1200, 2003. [PUMA: arsine complex complex;ESR complex;electrochem copper prepn pyridyltetrazine redox structure structure;crystal]

Ralph Huebner, Biprajit Sarkar, Jan Fiedler, Stanislav Zalis, and Wolfgang. Kaim. Metal(IV) Complexes M(LN,O,S)2n (M = Ru, Os) of a Redox-Active o-Amidophenolate Ligand (LN,O,S)2- with Coordinating Thioether Appendix. European Journal of Inorganic Chemistry, (2012)22:3569-3576, S3569/1-S3569/5, 2012. [PUMA: calcn complex complex;DFT complex;ESR complex;mononuclear crystal cyclic mononuclear osmium prepn ruthenium spectra structure;UV thiophenylamidophenolate tridentate voltammetry]

Markus Gloeckle, Klaus Huebler, Hans-Juergen Kuemmerer, Gert Denninger, and Wolfgang. Kaim. Dicopper(I) Complexes with Reduced States of 3,6-Bis(2'-pyrimidyl)-1,2,4,5-tetrazine: Crystal Structures and Spectroscopic Properties of the Free Ligand, a Radical Species, and a Complex of the 1,4-Dihydro Form. Inorganic Chemistry, (40)10:2263--2269, 2001. [PUMA: complex complex;ESR copper dinuclear prepn pyrimidyltetrazine structure structure;crystal]

Sudipta Chatterjee, Priti Singh, Jan Fiedler, Radka Bakova, Stanislav Zalis, Wolfgang Kaim, and Sreebrata. Goswami. Effect of metal exchange (Os vs. Ru) and co-ligand variation (Cl- vs. acac-) on the oxidation state distribution in complexes of an o-phenylenediamido(2-)/o-quinonediimine redox system. Dalton Transactions, 37:7778--7785, 2009. [PUMA: complex complex;ESR complex;electronic complex;electrooxidn complex;electroredn complex;geometry complex;osmium complex;valence crystal optimized osmium prepn prepn;UV quinonediimine ruthenium structure structure;ruthenium visible]

Stephanie Frantz, Wolfgang Kaim, Jan Fiedler, and Carole. Duboc. Complexes of Re(CO)3Cl with different oxidation states of the polyfunctional bmtz/H2bmtz ligand system (bmtz = 3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine). Inorganica Chimica Acta, (357)12:3657--3665, 2004. [PUMA: carbonyl complex complex;ESR complex;rhenium electrochem prepn pyrimidyltetrazine redox rhenium]

Axel Knoedler, Jan Fiedler, and Wolfgang. Kaim. Characterization of the mixed-valent intermediate (n = 3) of the complex series (μ,η3:η3-L)Ru(terpy)2n+ with the unsaturated bridging ligand N,N'-bis(a-picolinoyl)hydrazido(2-) = L2-. Polyhedron, (23)4:701--707, 2004. [PUMA: complex complex;ESR complex;ruthenium dinuclear electrochem picolinoylhydrazido prepn redn ruthenium terpyridine]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Goutam Kumar Lahiri, and Wolfgang. Kaim. Mixed-Valent Metals Bridged by a Radical Ligand: Fact or Fiction Based on Structure-Oxidation State Correlations. Journal of the American Chemical Society, (130)11:3532--3542, 2008. [PUMA: acetylacetonate azobispyridine azobispyrimidine complex complex;ESR complex;MO complex;geometry complex;ruthenium electron optimized prepn ruthenium transfer]

Shengfa Ye, Biprajit Sarkar, Mark Niemeyer, and Wolfgang. Kaim. Mixed-ligand copper complexes with 8-methylthioquinoline and triphenylphosphane or the o-semiquinone/catecholate redox system. European Journal of Inorganic Chemistry, 23:4735--4738, 2005. [PUMA: ESR;crystal complex complex;ESR copper methylthioquinoline phosphine prepn semiquinone structure tautomer valence]

Chrisoph Titze, and Wolfgang. Kaim. Polychlorinated biaryl heterocycles as potential ligands. Reactions between octachloro-1,10-phenanthroline and -2,2'-bipyridine with copper(I) and other metal ions. Zeitschrift fuer Naturforschung, B: A Journal of Chemical Sciences, (51)7:981--988, 1996. [PUMA: attempted bipyridine chlorophenanthroline complex complex;ESR complex;phenanthroline complex;structure coordination copper perchloro potential potential;chlorophenanthroline potential;redn prepn prepn;crystal redn silver structure]