%0 Journal Article %1 Bruns.1990 %A Bruns, Wolfgang %A Kaim, Wolfgang. %D 1990 %J Journal of Organometallic Chemistry %K carbonyl dinuclear dinuclear;tungsten electrochem phosphine pyrazine redox tungsten %N 2 %P C45-C49 %T Bond character of the hydrogen coordinated fragment W(CO)3(PR3)2. Unusual optical and electrochemical properties of binuclear pyrazine complexes %V 390 %X (Pz)W(CO)3(PR3)22 (R = CHMe2 and cyclohexyl; pz = pyrazine) illustrate a combination of s acceptor and p back-donating properties for these fragments. The complexes exhibit unique absorption spectra with a intense (e 77,000 M-1 cm-1) and narrow charge transfer band (band width 850 cm-1 at half height) in the near-IR region. Facile oxidn. of the chem. equiv. metal centers occurs in 2 widely sepd. (610 mV) reversible steps which set the boundary for organometallic analogs of the C. Creutz- Taube (1973) ion. on SciFinder(R)

@article{Bruns.1990, abstract = {(Pz)[W(CO)3(PR3)2]2 (R = CHMe2 and cyclohexyl; pz = pyrazine) illustrate a combination of \textgreek{s} acceptor and \textgreek{p} back-donating properties for these fragments. The complexes exhibit unique absorption spectra with a intense (\textgreek{e} 77,000 M-1 cm-1) and narrow charge transfer band (band width 850 cm-1 at half height) in the near-IR region. Facile oxidn. of the chem. equiv. metal centers occurs in 2 widely sepd. (610 mV) reversible steps which set the boundary for organometallic analogs of the C. Creutz- Taube (1973) ion. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Bruns, Wolfgang and Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/295eaf5e6cb39ca6b5d38bb0cbd4deacc/huebleriac}, interhash = {fbebabc4821402b3583efbbb38f77665}, intrahash = {95eaf5e6cb39ca6b5d38bb0cbd4deacc}, journal = {Journal of Organometallic Chemistry}, keywords = {carbonyl dinuclear dinuclear;tungsten electrochem phosphine pyrazine redox tungsten}, number = 2, pages = {C45-C49}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Bond character of the hydrogen coordinated fragment W(CO)3(PR3)2. Unusual optical and electrochemical properties of binuclear pyrazine complexes}, volume = 390, year = 1990 }