Publications

Figen Arslan Bicer, Semiha Yildirim, Wolfgang Kaim, und Martina. Bubrin. New saccharinate complexes with 3,3'-azobispyridine ligand: Synthesis, characterization, and spectroscopic properties. Journal of Coordination Chemistry, (70)16:2853--2869, 2017. [PUMA: polymer polymer;transition crystal polymer;thermal polymer;photoluminescence complex metal saccharinate azobispyridine coordination structure transition prepn stability]

Figen Arslan Bicer, Semiha Yildirim, Wolfgang Kaim, und Martina. Bubrin. New saccharinate complexes with 3,3'-azobispyridine ligand: Synthesis, characterization, and spectroscopic properties. Journal of Coordination Chemistry, (70)16:2853--2869, 2017. [PUMA: polymer polymer;transition crystal polymer;thermal polymer;photoluminescence complex metal saccharinate azobispyridine coordination structure transition prepn stability]

Amit Das, Thomas Michael Scherer, Shaikh M. Mobin, Wolfgang Kaim, und Goutam Kumar. Lahiri. Application of a Structure/Oxidation-State Correlation to Complexes of Bridging Azo Ligands. Chemistry - A European Journal, (18)35:11007-11018, S11007/1-S11007/28, 2012. [PUMA: structure;structure crystal complex;ruthenium complex azobispyridine ligand ruthenium transfer relationship noninnocent state electron oxidn prepn]

Amit Das, Thomas Michael Scherer, Shaikh M. Mobin, Wolfgang Kaim, und Goutam Kumar. Lahiri. Application of a Structure/Oxidation-State Correlation to Complexes of Bridging Azo Ligands. Chemistry - A European Journal, (18)35:11007-11018, S11007/1-S11007/28, 2012. [PUMA: structure;structure crystal complex;ruthenium complex azobispyridine ligand ruthenium transfer relationship noninnocent state electron oxidn prepn]

Stephanie Frantz, Monika Sieger, Ingo Hartenbach, Falk Lissner, Thomas Schleid, Jan Fiedler, Carole Duboc, und Wolfgang. Kaim. Structure, electrochemistry, spectroscopy, and magnetic resonance, including high-field EPR, of (μ-abpy)Re(CO)3X2o/·-, where abpy = 2,2'-azobispyridine and X = F, Cl, Br, I. Journal of Organometallic Chemistry, (694)7-8:1122--1133, 2009. [PUMA: complex;rhenium rhenium voltammetry complex;cyclic crystal complex;magnetic complex halo carbonyl spectra azobispyridine structure property complex;EPR prepn]

Stephanie Frantz, Monika Sieger, Ingo Hartenbach, Falk Lissner, Thomas Schleid, Jan Fiedler, Carole Duboc, und Wolfgang. Kaim. Structure, electrochemistry, spectroscopy, and magnetic resonance, including high-field EPR, of (μ-abpy)Re(CO)3X2o/·-, where abpy = 2,2'-azobispyridine and X = F, Cl, Br, I. Journal of Organometallic Chemistry, (694)7-8:1122--1133, 2009. [PUMA: complex;rhenium rhenium voltammetry complex;cyclic crystal complex;magnetic complex halo carbonyl spectra azobispyridine structure property complex;EPR prepn]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Goutam Kumar Lahiri, und 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: complex;ruthenium optimized complex;geometry complex azobispyrimidine azobispyridine ruthenium transfer complex;MO complex;ESR acetylacetonate electron prepn]

Akbey Dogan, Cueneyt Kavakli, Monika Sieger, Mark Niemeyer, Biprajit Sarkar, und Wolfgang. Kaim. Structural and spectroscopic evidence for marginal metal-to-ligand charge transfer in complexes Pt(abpy)Me3X, abpy = 2,2'-azobispyridine, X = Cl, Br, I. Zeitschrift fuer Anorganische und Allgemeine Chemie, (634)14:2527--2531, 2008. [PUMA: iodo ESR crystal electrochem complex redn azobispyridine structure platinum trimethyl halotrimethyl prepn;mol bromo complex;platinum prepn]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Goutam Kumar Lahiri, und 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: complex;ruthenium optimized complex;geometry complex azobispyrimidine azobispyridine ruthenium transfer complex;MO complex;ESR acetylacetonate electron prepn]

Akbey Dogan, Cueneyt Kavakli, Monika Sieger, Mark Niemeyer, Biprajit Sarkar, und Wolfgang. Kaim. Structural and spectroscopic evidence for marginal metal-to-ligand charge transfer in complexes Pt(abpy)Me3X, abpy = 2,2'-azobispyridine, X = Cl, Br, I. Zeitschrift fuer Anorganische und Allgemeine Chemie, (634)14:2527--2531, 2008. [PUMA: iodo ESR crystal electrochem complex redn azobispyridine structure platinum trimethyl halotrimethyl prepn;mol bromo complex;platinum prepn]

Martina Heilmann, Stephanie Frantz, Wolfgang Kaim, Jan Fiedler, und 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: voltammetry osmium EPR heterobinuclear;osmium electrochem complex complex;electron redox valence azobispyridine ruthenium transfer homobinuclear complex;hole bridge complex;mixed spectroelectrochem;radical cyclic prepn]

Martina Heilmann, Stephanie Frantz, Wolfgang Kaim, Jan Fiedler, und 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: voltammetry osmium EPR heterobinuclear;osmium electrochem complex complex;electron redox valence azobispyridine ruthenium transfer homobinuclear complex;hole bridge complex;mixed spectroelectrochem;radical cyclic prepn]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Shaikh M. Mobin, Mark Niemeyer, Goutam Kumar Lahiri, und Wolfgang. Kaim. Theoretical and experimental evidence for a new kind of spin-coupled singlet species: Isomeric mixed-valent complexes bridged by a radical anion ligand. Angewandte Chemie, International Edition, (44)35:5655--5658, 2005. [PUMA: crystal complex;ruthenium optimized complex;geometry complex complex;electrochem complex;electronic redox azobispyridine isomeric structure ruthenium acetylacetonate prepn]

Frank Baumann, Wolfgang Kaim, Gert Denninger, Hans-Juergen Kuemmerer, und 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]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Shaikh M. Mobin, Mark Niemeyer, Goutam Kumar Lahiri, und Wolfgang. Kaim. Theoretical and experimental evidence for a new kind of spin-coupled singlet species: Isomeric mixed-valent complexes bridged by a radical anion ligand. Angewandte Chemie, International Edition, (44)35:5655--5658, 2005. [PUMA: crystal complex;ruthenium optimized complex;geometry complex complex;electrochem complex;electronic redox azobispyridine isomeric structure ruthenium acetylacetonate prepn]

Biprajit Sarkar, Srikanta Patra, Jan Fiedler, Raghavan B. Sunoj, Deepa Janardanan, Shaikh M. Mobin, Mark Niemeyer, Goutam Kumar Lahiri, und Wolfgang. Kaim. Theoretical and experimental evidence for a new kind of spin-coupled singlet species: Isomeric mixed-valent complexes bridged by a radical anion ligand. Angewandte Chemie, International Edition, (44)35:5655--5658, 2005. [PUMA: crystal complex;ruthenium optimized complex;geometry complex complex;electrochem complex;electronic redox azobispyridine isomeric structure ruthenium acetylacetonate prepn]

Frank Baumann, Wolfgang Kaim, Gert Denninger, Hans-Juergen Kuemmerer, und 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]

Frank Baumann, Wolfgang Kaim, Gert Denninger, Hans-Juergen Kuemmerer, und 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]

Biprajit Sarkar, Wolfgang Kaim, Jan Fiedler, und 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 voltammetry charge iminomethylpyrazine complex;ruthenium arene complex dimer;cyclic mixed valence spectra azobispyridine transition areneruthenium transfer complex;redox dimer;EPR bridged diruthenium potential prepn]

Akbey Dogan, Biprajit Sarkar, Axel Klein, Falk Lissner, Thomas Schleid, Jan Fiedler, Stanislav Zalis, Vimal K. Jain, und Wolfgang. Kaim. Complex Reduction Chemistry of (abpy)PtCl2, abpy = 2,2'-Azobispyridine: Formation of Cyclic (m,h2:h1-abpy)PtCl22+ with a New Coordination Mode for abpy and a Near-Infrared Ligand-to-Ligand Intervalence Charge Transfer Absorption of the One-Electron Reduced State. Inorganic Chemistry, (43)19:5973--5980, 2004. [PUMA: platinum monomer crystal dimer complex chloro redn complex;platinum azobispyridine prepn structure]