2,3,5,6-Tetrafluorophenylnitren-4-yl:  Electron Paramagnetic Resonance Spectroscopic Characterization of a Quartet-Ground-State Nitreno Radical

2008 ◽  
Vol 130 (13) ◽  
pp. 4396-4403 ◽  
Author(s):  
Wolfram Sander ◽  
Dirk Grote ◽  
Simone Kossmann ◽  
Frank Neese
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Ground State ◽  
Spectroscopic Characterization ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

Large Mn25Single-Molecule Magnet with SpinS=51/2: Magnetic and High-Frequency Electron Paramagnetic Resonance Spectroscopic Characterization of a Giant Spin State

2008 ◽  
Vol 47 (20) ◽  
pp. 9459-9470 ◽  
Author(s):  
Muralee Murugesu ◽  
Susumu Takahashi ◽  
Anthony Wilson ◽  
Khalil A. Abboud ◽  
Wolfgang Wernsdorfer ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Spin State ◽  
High Frequency ◽  
Spectroscopic Characterization ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

Electron Paramagnetic Resonance Spectroscopic Characterization of α,2- and α,4-Didehydrotoluene

2010 ◽  
Vol 63 (12) ◽  
pp. 1634 ◽  
Author(s):  
Patrik Neuhaus ◽  
Stefan Henkel ◽  
Wolfram Sander
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electron Paramagnetic Resonance Spectroscopy ◽  
Theoretical Calculations ◽  
Ground States ◽  
Spectroscopic Characterization ◽  
Resonance Spectroscopy ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

The elusive diradicals α,2- and α,4-didehydrotoluene 1 and 3, have been generated by photolysis of matrix-isolated 2-iodobenzyl iodide 7 and 4-iodobenzyl iodide 8, respectively. Diradical 3 could also be synthesized by flash vacuum thermolysis of 8, with subsequent trapping of the products in argon at 5 K. The diradicals in their triplet ground states were characterized by electron paramagnetic resonance spectroscopy. The triplet ground states were in accordance with previous theoretical calculations for these species.

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