Publications

Derk J. Stufkens, Theo L. Snoeck, Wolfgang Kaim, Thomas Roth, und Barbara. Olbrich-Deussner. Resonance Raman study of (h2-TCNE)M(CO)5 (M = Cr, W; TCNE = tetracyanoethene). Evidence for an olefin-complex $\rightarrow$ metallacyclopropane transition upon low-energy metal-to-ligand charge-transfer excitation. Journal of Organometallic Chemistry, (409)1-2:189--195, 1991. [PUMA: chromium charge Raman;chromium complex metal Raman;charge Raman;hybridization carbonyl carbonyltetracyanoethane tetracyanoethane transfer Raman;tungsten tungsten transfer;cyanoethane Raman]

Christian Bessenbacher, und Wolfgang. Kaim. Coordination ambivalence and fluxional behavior in mono- and binuclear pentacarbonyltungsten complexes of pteridine and its deaza derivatives. Journal of Organometallic Chemistry, (369)1:83--103, 1989. [PUMA: tungsten fluxionality deaza complex;tungsten deriv;naphthyridine carbonyl deriv pteridine complex;triazanaphthalene]

Barbara Olbrich-Deussner, und Wolfgang. Kaim. Electron transfer catalyzed carbonyl substitution. I. Synthesis and spectroscopy of phosphine tricarbonyl metal complexes of bidiazine. Journal of Organometallic Chemistry, (340)1:71--91, 1988. [PUMA: transfer bidiazine phosphine;electron tungsten phosphine;bipyrazine substitution;spectra catalysis phosphine;bipyridazine molybdenum carbonyl phosphine;bipyrimidine]

Barbara Olbrich-Deussner, Renate Gross, und Wolfgang. Kaim. Electron transfer catalyzed substitution in carbonyl complexes. IV. Mononuclear s- and p-coordinated complexes of manganese, chromium and tungsten with tetracyanoethylene and tetracyano-p-quinodimethane. Journal of Organometallic Chemistry, (366)1-2:155--174, 1989. [PUMA: chromium complex;TCNE IR metal elec manganese redox metal;substitution solvate tungsten tetracyanoethene TCNQ mechanism potential]

W. Bruns, und W. Kaim. First stable organometallic analog mer-(OC)3(PiPr3)2W(m-pyrazine)W(PiPr3)2(CO)3+ of the Creutz-Taube ion: Similarities and differences. NATO ASI Series, Series C: Mathematical and Physical Sciences, (343)Mixed Valency Syst.: Appl. Chem., Phys. Biol:365--370, 1991. [PUMA: dinuclear ESR pyrazine tungsten dinuclear;tungsten IR carbonyl phosphine]

Frank Hilgers, Wolfgang Bruns, Jan Fiedler, und Wolfgang. Kaim. UV-visible, IR and EPR spectroelectrochemical study of the EC redox transition (PR3)n(CO)3(R'-pz)M+·; M = Mo, W; R'-pz = N-alkylpyrazinium; R = isopropyl, cyclohexyl; n = 1 or 2. Journal of Organometallic Chemistry, (511)1-2:273--280, 1996. [PUMA: tungsten alkylpyrazinium;spectra electrochem electrochem;redox molybdenum carbonyl phosphine alkylpyrazinium]

F. Albert Cotton, William H. Ilsley, und Wolfgang. Kaim. A mixed-ligand complex of quadruply bonded ditungsten(II): Bis(2,4-dimethyl-6-oxopyrimidine)bis(1,3-diphenyltriazeno)ditungsten. Inorganic Chemistry, (19)6:1450--1452, 1980. [PUMA: pyrimidine binuclear;structure diphenyl tungsten oxo binuclear diphenyltriazene oxopyrimidine diphenyltriazene;triazene]

Fridmann M. Hornung, Oliver Heilmann, Wolfgang Kaim, Stanislav Zalis, und Jan. Fiedler. Metal vs. Ligand Reduction in Complexes of 1,3-Dimethylalloxazine (DMA) with Copper(I), Ruthenium(II), and Tungsten(VI). Crystal Structures of (DMA)WO2Cl2 and (Bis(1-methylimidazol-2-yl)ketone)WO2Cl2. Inorganic Chemistry, (39)18:4052--4058, 2000. [PUMA: bipyridine oxo imidazolylketone complex;ruthenium alloxazine electrochem metal reduced chloro;ESR bisimidazolylketone structure transition redn;tungsten tungsten redn;crystal chloro copper redn;transition phosphine prepn]

Otto J. Scherer, Joachim Schwalb, Herbert Swarowsky, Gotthelf Wolmershaeuser, Wolfgang Kaim, und Renate. Gross. Triple-decker sandwich complexes with cyclo-P6 as middle deck. Chemische Berichte, (121)3:443--449, 1988. [PUMA: complex;triple crystal hexaphosphacyclohexane metal structure;vanadium vanadium;redox complex;tungsten sandwich structure tungsten decker sandwich;mol cyclophosphorus]

F. Albert Cotton, William H. Ilsley, und Wolfgang. Kaim. A mixed-ligand complex of quadruply bonded ditungsten(II): Bis(2,4-dimethyl-6-oxopyrimidine)bis(1,3-diphenyltriazeno)ditungsten. Inorganic Chemistry, (19)6:1450--1452, 1980. [PUMA: pyrimidine binuclear;structure diphenyl tungsten oxo binuclear diphenyltriazene oxopyrimidine diphenyltriazene;triazene]

Isabell Loew, Martina Bubrin, Alexa Paretzki, Jan Fiedler, Stanislav Zalis, und Wolfgang. Kaim. The BIAN ligand 1,2-bis(2,6-diisopropylphenyl)iminoacenaphthene: An electron sponge or a \dqnormal\dq a-diimine ligand?. Inorganica Chimica Acta, (455)Part\_2:540--548, 2017. [PUMA: rhenium chromium isopropylphenyliminoacenaphthene;rhenium ESR isopropylphenyliminoacenaphthene crystal electrochem complex structure tungsten optimization isopropylphenyliminoacenaphthene;mol molybdenum prepn]

F. Albert Cotton, William H. Illsley, und 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: pyrimidine tungsten hydroxypyrimidinato acetamidinato hydroxy bridged tungsten;structure]

Frank Hilgers, Wolfgang Bruns, Jan Fiedler, und Wolfgang. Kaim. UV-visible, IR and EPR spectroelectrochemical study of the EC redox transition (PR3)n(CO)3(R'-pz)M+·; M = Mo, W; R'-pz = N-alkylpyrazinium; R = isopropyl, cyclohexyl; n = 1 or 2. Journal of Organometallic Chemistry, (511)1-2:273--280, 1996. [PUMA: tungsten alkylpyrazinium;spectra electrochem electrochem;redox molybdenum carbonyl phosphine alkylpyrazinium]

Wolfgang Bruns, Hans-Dieter Hausen, Wolfgang Kaim, und Andreas. Schulz. Tungsten(0) complexes of p-acids N-methylpyrazinium cations and of N-methylpyrazinium radicals. Crystal and molecular structure of (C4H4N2-Me)W(CO)3(PCy3)2(PF6), Cy = cyclohexyl. Journal of Organometallic Chemistry, (444)1-2:121--130, 1993. [PUMA: tungsten crystal methylpyrazinium redn phosphine;ESR methyl phosphine;electrochem carbonyl phosphine radical;pyrazinium structure]

Wolfgang Kaim, Barbara Olbrich-Deussner, und Thomas. Roth. Specific solvatochromism of the prototypical olefin complexes (h2-TCNE)M(CO)5 (M = chromium, tungsten) resulting from n and p donation of aprotic solvents toward the p-acceptor ligand. Organometallics, (10)2:410--415, 1991. [PUMA: chromium tetracyanoethylene tungsten carbonyl solvatochromism]

Wolfgang Bruns, Wolfgang Kaim, Eberhard Waldhoer, und Michael. Krejcik. Electronic Structure of the 16 Valence Electron Fragments M(CO)3(PR3)2 (M = Mo, W; R = iPr, Cy) in Their Complexes with H2, THF, and Three p-Conjugated Dinucleating Ligands: Electrochemistry and Spectroscopy of Different Oxidation States. Inorganic Chemistry, (34)3:663--672, 1995. [PUMA: dinuclear tungsten phosphine;molybdenum electrochem redox;tungsten molybdenum redox carbonyl phosphine mononuclear]

Barbara Olbrich-Deussner, Renate Gross, und Wolfgang. Kaim. Electron transfer catalyzed substitution in carbonyl complexes. IV. Mononuclear s- and p-coordinated complexes of manganese, chromium and tungsten with tetracyanoethylene and tetracyano-p-quinodimethane. Journal of Organometallic Chemistry, (366)1-2:155--174, 1989. [PUMA: chromium complex;TCNE IR metal elec manganese redox metal;substitution solvate tungsten tetracyanoethene TCNQ mechanism potential]

Wolfgang Kaim, Stephan Kohlmann, Alistair J. Lees, und Mthembeni. Zulu. 2-Heteroatom-1,3-diazoles and quinoxaline as bridging p-acceptor ligands for Group VIB metal carbonyl fragments M(CO)5 (M = Cr, Mo, W). Synthesis, electrochemistry, absorption and emission spectroscopy. Zeitschrift fuer Anorganische und Allgemeine Chemie, (575):97--114, 1989. [PUMA: Group chalcogenadiazole chromium complex;quinoxaline complex;redn complex complex;tungsten carbonyl VIB complex;oxadiazole complex;thiadiazole quinoxaline;molybdenum complex;Group chalcogenadiazole;selenadiazole tungsten potential]

Isabell Loew, Martina Bubrin, Alexa Paretzki, Jan Fiedler, Stanislav Zalis, und Wolfgang. Kaim. The BIAN ligand 1,2-bis(2,6-diisopropylphenyl)iminoacenaphthene: An electron sponge or a \dqnormal\dq a-diimine ligand?. Inorganica Chimica Acta, (455)Part\_2:540--548, 2017. [PUMA: rhenium chromium isopropylphenyliminoacenaphthene;rhenium ESR isopropylphenyliminoacenaphthene crystal electrochem complex structure tungsten optimization isopropylphenyliminoacenaphthene;mol molybdenum prepn]

Wolfgang Bruns, und Wolfgang. Kaim. Bond character of the hydrogen coordinated fragment W(CO)3(PR3)2. Unusual optical and electrochemical properties of binuclear pyrazine complexes. Journal of Organometallic Chemistry, (390)2:C45-C49, 1990. [PUMA: dinuclear pyrazine tungsten dinuclear;tungsten electrochem redox carbonyl phosphine]