%0 Journal Article %1 Sondermann.2020 %A Sondermann, Christina %A Pizl, Martin %A Paretzki, Alexa %A Feil, Christoph %A Ringenberg, Mark R. %A Zalis, Stanislav %A Kaim, Wolfgang. %D 2020 %J European Journal of Inorganic Chemistry %K imported %P Ahead of Print %R 10.1002/ejic.202000455 %T Analysis of a Diimine-Organonickel Redox Series %X Complex cations [Ni(C5R5)(L)]+, L = 1,4-diphenyl-2,3-dimethyl-1,4-diaza-1,3-butadiene, were compared as structurally characterized BF4- (R = H) and SbF6- salts (R = Me). These NiII(L0) compds. are reversibly reduced (R = H,Me) or oxidized (R = Me) and their one-electron oxidized and reduced forms studied by EPR and UV/Vis spectroelectrochem., supported by DFT calcns. Surprisingly similar EPR features were obsd. for [Ni(C5Me5)(L)]0 and [Ni(C5Me5)(L)]2+. Whereas the oxidn. is largely metal centered to yield a NiIII species (R = Me), the redn. reveals energetically close-lying alternatives (redox isomers) NiI(L0) and NiII(L·-). [on SciFinder(R)]

@article{Sondermann.2020, abstract = {Complex cations [Ni(C5R5)(L)]+, L = 1,4-diphenyl-2,3-dimethyl-1,4-diaza-1,3-butadiene, were compared as structurally characterized BF4- (R = H) and SbF6- salts (R = Me). These NiII(L0) compds. are reversibly reduced (R = H,Me) or oxidized (R = Me) and their one-electron oxidized and reduced forms studied by EPR and UV/Vis spectroelectrochem., supported by DFT calcns. Surprisingly similar EPR features were obsd. for [Ni(C5Me5)(L)]0 and [Ni(C5Me5)(L)]2+. Whereas the oxidn. is largely metal centered to yield a NiIII species (R = Me), the redn. reveals energetically close-lying alternatives (redox isomers) NiI(L0) and NiII(L·-). [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Sondermann, Christina and Pizl, Martin and Paretzki, Alexa and Feil, Christoph and Ringenberg, Mark R. and Zalis, Stanislav and Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/20ad69098335fa36184f20ae9b4a5173b/huebleriac}, doi = {10.1002/ejic.202000455}, interhash = {f2ee5a54d7e5a94ff3130d7611d8a38a}, intrahash = {0ad69098335fa36184f20ae9b4a5173b}, issn = {1434-1948}, journal = {European Journal of Inorganic Chemistry}, keywords = {imported}, pages = {Ahead of Print}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Analysis of a Diimine-Organonickel Redox Series}, year = 2020 }