%0 Journal Article %1 Patra.2004c %A Patra, Srikanta %A Sarkar, Biprajit %A Ghumaan, Sandeep %A Fiedler, Jan %A Kaim, Wolfgang %A Lahiri, Goutam Kumar. %D 2004 %J Inorganic Chemistry %K ESR;ruthenium acetylacetonate comproportionation crystal electrochem prepn pyrazolyltetrazine pyrazolyltetrazine;mixed ruthenium spectroelectrochem structure valent %N 19 %P 6108--6113 %R 10.1021/ic049346r %T Isovalent and Mixed-Valent Diruthenium Complexes [(acac)2RuII(m-bpytz)RuII(acac)2] and [(acac)2RuII(m-bpytz)RuIII(acac)2](ClO4) (acac = Acetylacetonate and bpytz = 3,6-Bis(3,5-dimethylpyrazolyl)-1,2,4,5-tetrazine): Synthesis, Spectroelectrochemical, and EPR Investigation %V 43 %X The title compds. involving the structurally characterized bridging ligand bpytz were characterized, showing very strong electrochem. stabilization of the mixed-valent RuIIRuIII state (Kc = 1013.9) but no detectable (e \textless 20 M-1 cm-1) intervalence charge-transfer band in the IR region. In situ redn. of the neutral precursor produces a diruthenium(II) complex of the bpytz radical anion according to EPR spectroscopy, whereas oxidn. of the mixed-valent form leads to a diruthenium(III) species. [on SciFinder(R)]

@article{Patra.2004c, abstract = {The title compds. involving the structurally characterized bridging ligand bpytz were characterized, showing very strong electrochem. stabilization of the mixed-valent RuIIRuIII state (Kc = 1013.9) but no detectable (\textgreek{e} {\textless} 20 M-1 cm-1) intervalence charge-transfer band in the IR region. In situ redn. of the neutral precursor produces a diruthenium(II) complex of the bpytz radical anion according to EPR spectroscopy, whereas oxidn. of the mixed-valent form leads to a diruthenium(III) species. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Patra, Srikanta and Sarkar, Biprajit and Ghumaan, Sandeep and Fiedler, Jan and Kaim, Wolfgang and Lahiri, Goutam Kumar.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/27ab5e996dcab034048d323e920e35b0f/huebleriac}, doi = {10.1021/ic049346r}, interhash = {31fe0fb0bcba3e69baccd67170e47422}, intrahash = {7ab5e996dcab034048d323e920e35b0f}, issn = {0020-1669}, journal = {Inorganic Chemistry}, keywords = {ESR;ruthenium acetylacetonate comproportionation crystal electrochem prepn pyrazolyltetrazine pyrazolyltetrazine;mixed ruthenium spectroelectrochem structure valent}, number = 19, pages = {6108--6113}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Isovalent and Mixed-Valent Diruthenium Complexes [(acac)2RuII(\textgreek{m}-bpytz)RuII(acac)2] and [(acac)2RuII(\textgreek{m}-bpytz)RuIII(acac)2](ClO4) (acac = Acetylacetonate and bpytz = 3,6-Bis(3,5-dimethylpyrazolyl)-1,2,4,5-tetrazine): Synthesis, Spectroelectrochemical, and EPR Investigation}, volume = 43, year = 2004 }