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. 1998 Nov 2;37(20):2833-2837.
doi: 10.1002/(SICI)1521-3773(19981102)37:20<2833::AID-ANIE2833>3.0.CO;2-7.

Determination of End-to-End Distances in a Series of TEMPO Diradicals of up to 2.8 nm Length with a New Four-Pulse Double Electron Electron Resonance Experiment

Rainer E Martin  1 , Matthias Pannier  2 , François Diederich  1 , Volker Gramlich  3 , Michael Hubrich  2 , Hans W Spiess  2
Affiliations

Determination of End-to-End Distances in a Series of TEMPO Diradicals of up to 2.8 nm Length with a New Four-Pulse Double Electron Electron Resonance Experiment

Rainer E Martin et al. Angew Chem Int Ed Engl. .

Abstract

A four-pulse version of the pulsed double electron electron resonance (DEER) experiment has been applied to a series of TEMPO diradicals with well-defined interradical distances ranging from 1.4 to 2.8 nm (see picture). The new pulse sequence allows broad distributions of electron-electron distances to be measured without dead-time artifacts.

Keywords: Diradicals; Double electron electron resonance spectroscopy; EPR spectroscopy.

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