open shell singlet

From: =?x-unknown?q?Dami=E1n_Scherlis?= <damian -8 at 8- chala.q1.fcen.uba.ar>
Subject: open shell singlet
Date: Mon, 2 Oct 2000 22:38:35 +0200 (MEST)

  Hello.
        Does anyone know whether an EPR experimet is able to
  distinguish between open and closed shell singlets ?
        If it is not: is there any experiment capable of detecting
  an open shell singlet ?
        Thanks a lot.
 --
  Damian Scherlis
  Department of Physical Chemistry
  Faculty of Sciences
  University of Buenos Aires