%0 Journal Article %1 Ye.2003 %A Ye, Shengfa %A Kaim, Wolfgang %A Sarkar, Biprajit %A Schwederski, Brigitte %A Lissner, Falk %A Schleid, Thomas %A Duboc-Toia, Carole %A Fiedler, Jan. %D 2003 %J Inorganic Chemistry Communications %K arsine complex complex;ESR complex;electrochem copper prepn pyridyltetrazine redox structure structure;crystal %N 9 %P 1196--1200 %R 10.1016/S1387-7003(03)00216-8 %T First crystal structure determination and high-frequency EPR study of an organoarsanecopper radical complex %V 6 %X The red radical complex (μ-bptz)[Cu(AsPh3)2]2(BF4) 1, bptz = 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine, was obtained as a stable species and characterized by x-ray crystallog., spectroelectrochem. and EPR at 9.5 and 285 GHz. Comparison with the previously reported (μ-bptz)[Cu(PPh3)2]2(BF4) 2 reveals longer Cu-element bonds by $\sim$0.1 \AA but otherwise a similar org. sandwich structure involving intramol. p(phenyl)-p(tetrazine)-p(phenyl) interactions, a 3+1 coordination at the Cu(I) centers, and averaged tetrazine intraring bond distances. Reversible oxidn. to a blue dication with an intense MLCT band at 650 nm occurs at -0.24 V vs. Fc+/0. EPR studies show the effect of the higher spin-orbit coupling const. of the As vs. P atoms through slightly larger g anisotropy as detd. through high frequency measurements. [on SciFinder(R)]

@article{Ye.2003, abstract = {The red radical complex {(μ-bptz)[Cu(AsPh3)2]2}(BF4) 1, bptz = 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine, was obtained as a stable species and characterized by x-ray crystallog., spectroelectrochem. and EPR at 9.5 and 285 GHz. Comparison with the previously reported {(μ-bptz)[Cu(PPh3)2]2}(BF4) 2 reveals longer Cu-element bonds by $\sim$0.1 {\AA} but otherwise a similar org. sandwich structure involving intramol. \textgreek{p}(phenyl)-\textgreek{p}(tetrazine)-\textgreek{p}(phenyl) interactions, a 3+1 coordination at the Cu(I) centers, and averaged tetrazine intraring bond distances. Reversible oxidn. to a blue dication with an intense MLCT band at 650 nm occurs at -0.24 V vs. Fc+/0. EPR studies show the effect of the higher spin-orbit coupling const. of the As vs. P atoms through slightly larger g anisotropy as detd. through high frequency measurements. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Ye, Shengfa and Kaim, Wolfgang and Sarkar, Biprajit and Schwederski, Brigitte and Lissner, Falk and Schleid, Thomas and Duboc-Toia, Carole and Fiedler, Jan.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2ca8460ff63c83ae8958b5657e487796a/huebleriac}, doi = {10.1016/S1387-7003(03)00216-8}, interhash = {13dcb45df3fb3d10ae6d1ef20398b538}, intrahash = {ca8460ff63c83ae8958b5657e487796a}, issn = {1387-7003}, journal = {Inorganic Chemistry Communications}, keywords = {arsine complex complex;ESR complex;electrochem copper prepn pyridyltetrazine redox structure structure;crystal}, number = 9, pages = {1196--1200}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {First crystal structure determination and high-frequency EPR study of an organoarsanecopper radical complex}, volume = 6, year = 2003 }