First Crystal Structure Determination and High-Frequency EPR Study of an Organoarsanecopper Radical Complex.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F03%3A54030221" target="_blank" >RIV/61388955:_____/03:54030221 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
First Crystal Structure Determination and High-Frequency EPR Study of an Organoarsanecopper Radical Complex.
Original language description
The red radical complex {(mu-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 crystallography, spectroelectrochemistry and EPR at 9.5 and 285 GHz. Comparison with the previously reported {(mu-bptz)[Cu(PPh3)(2)](2)}(BF4) 2 reveals longer Cu-element bonds by about 0.1 Angstrom but otherwise a similar 'organic sandwich' structure involving intramolecular pi(phenyl)-pi(tetrazine)-pi(phenyl) interactions, a 3+1 coordinationat the copper(I) centers, and averaged tetrazine intraring bond distances. Reversible oxidation to a blue dication with an intense MLCT band at 650 nm occurs at -0.24 V vs. Fc(+/o). EPR studies show the effect of the higher spin-orbit coupling constantof the As vs. P atoms through slightly larger g anisotropy as determined through high frequency measurements. (C) 2003 Elsevier B.V. All rights reserved.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2003
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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