%0 Journal Article %1 Krejcik.1992 %A Krejcik, Michael %A Zalis, Stanislav %A Ladwig, Monika %A Matheis, Walter %A Kaim, Wolfgang. %D 1992 %J Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry %K IR IR;reduced UV bidiazine bipyrazine bipyridazine bipyrimidine isomer reduced %N 11 %P 2007--2010 %T A study of the reduced states of four isomeric bidiazines (diaza-2,2'-bipyridines) by UV-VIS/NIR-spectroelectrochemistry %X Singly and doubly reduced forms of the four isomeric bidiazines 2,2'-bipyrazine, 3,3'-bipyridazine, 2,2'- and 4,4'-bipyrimidine have been generated in a spectroelectrochem. cell and studied by UV-visible/near-IR spectroscopy. As derivs. of 2,2'-bipyridine the compds. exhibit several groups of vibrationally structured long-wavelength bands in the paramagnetic anion radical state. The assignments and variations of transition energies depending on the diaza perturbation may be rationalized using CNDO/S CI calcns. on SciFinder(R)

@article{Krejcik.1992, abstract = {Singly and doubly reduced forms of the four isomeric bidiazines 2,2'-bipyrazine, 3,3'-bipyridazine, 2,2'- and 4,4'-bipyrimidine have been generated in a spectroelectrochem. cell and studied by UV-visible/near-IR spectroscopy. As derivs. of 2,2'-bipyridine the compds. exhibit several groups of vibrationally structured long-wavelength bands in the paramagnetic anion radical state. The assignments and variations of transition energies depending on the diaza perturbation may be rationalized using CNDO/S CI calcns. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Krejcik, Michael and Zalis, Stanislav and Ladwig, Monika and Matheis, Walter and Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/29b4fd11b0ed6cea75e9fce6ff49c1d3e/huebleriac}, interhash = {809254d9aa5ddb13f9c21edfb5048cbc}, intrahash = {9b4fd11b0ed6cea75e9fce6ff49c1d3e}, issn = {0300-9580}, journal = {Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry}, keywords = {IR IR;reduced UV bidiazine bipyrazine bipyridazine bipyrimidine isomer reduced}, number = 11, pages = {2007--2010}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {A study of the reduced states of four isomeric bidiazines (diaza-2,2'-bipyridines) by UV-VIS/NIR-spectroelectrochemistry}, year = 1992 }