Metal-nitroxyl interactions. 9. Electron-electron coupling in the copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II)

D. L. DuBois, G. R. Eaton, S. S. Eaton

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Abstract

Resolved electron-electron coupling is observed in the room temperature solution EPR spectra of the spin labeled copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II), with values of the coupling constant ranging from 300 G in toluene solution to 415 G in pyridine solution. In most solvents an isomeric form of the complex is also observed which has a value of the electron-electron coupling constant of ∼2500 G. The fraction of the complex existing in the isomeric form varies from 2SO solution to ∼95% in toluene solution.

Original languageEnglish
Pages (from-to)75-79
Number of pages5
JournalInorganic Chemistry
Volume18
Issue number1
Publication statusPublished - 1979

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Dione
dienes
Copper
Metals
copper
Electrons
metals
Toluene
electrons
interactions
toluene
Paramagnetic resonance
pyridines
nitroxyl
room temperature
Temperature

ASJC Scopus subject areas

  • Inorganic Chemistry

Cite this

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title = "Metal-nitroxyl interactions. 9. Electron-electron coupling in the copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II)",
abstract = "Resolved electron-electron coupling is observed in the room temperature solution EPR spectra of the spin labeled copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II), with values of the coupling constant ranging from 300 G in toluene solution to 415 G in pyridine solution. In most solvents an isomeric form of the complex is also observed which has a value of the electron-electron coupling constant of ∼2500 G. The fraction of the complex existing in the isomeric form varies from 2SO solution to ∼95{\%} in toluene solution.",
author = "DuBois, {D. L.} and Eaton, {G. R.} and Eaton, {S. S.}",
year = "1979",
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journal = "Inorganic Chemistry",
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T1 - Metal-nitroxyl interactions. 9. Electron-electron coupling in the copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II)

AU - DuBois, D. L.

AU - Eaton, G. R.

AU - Eaton, S. S.

PY - 1979

Y1 - 1979

N2 - Resolved electron-electron coupling is observed in the room temperature solution EPR spectra of the spin labeled copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II), with values of the coupling constant ranging from 300 G in toluene solution to 415 G in pyridine solution. In most solvents an isomeric form of the complex is also observed which has a value of the electron-electron coupling constant of ∼2500 G. The fraction of the complex existing in the isomeric form varies from 2SO solution to ∼95% in toluene solution.

AB - Resolved electron-electron coupling is observed in the room temperature solution EPR spectra of the spin labeled copper complex (3-(N-(2,2,5,5-tetramethylpyrrolin-3-yl-1-oxy)amido)-4,10-dimethyl-5,9- diazatrideca-4,9-diene-2,12-dione)copper(II), with values of the coupling constant ranging from 300 G in toluene solution to 415 G in pyridine solution. In most solvents an isomeric form of the complex is also observed which has a value of the electron-electron coupling constant of ∼2500 G. The fraction of the complex existing in the isomeric form varies from 2SO solution to ∼95% in toluene solution.

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