ONIOM hyperpolarizabilities

["Dr. Daniel Glossman" <glossman #*at*# yakko.cimav.edu.mx>]

Dear netters:
 I am trying to calculate hyperpolarizabilities of organic molecules
 and I have the following question:
 Is it possible to calculate hyperpolarizabilities withing Gaussian98
 using ONIOM and DFT?
 To put it on another way: I know that in order to compute the
 hyperpolarizabilities in Gaussian 98, using DFT it is necessary
 to resort to the keyword  Polar=EnOnly, performing a numerical
 differentiation. This works by calculating the energy with different
 applied fields and it´s done automatically. But what happen
 if one uses ONIOM? Is it possible to use Polar=EnOnly together
 with ONIOM and DFT?
 I have tried it myself and found that the calculations goes into an
 endless loop, increasing the field in only one direction (x) with the
 default  step and never finishing.
 What am I doing wrong?
 Thanks in advance for your help.
                                            Dr. Daniel Glossman Mitnik
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 Dr. Daniel Glossman Mitnik
 Centro de Investigacion en Materiales Avanzados (CIMAV)
 LAQUICOM - Laboratorio de Química Computacional
 Miguel de Cervantes 120
 Complejo Industrial Chihuahua
 Chihuahua, Chih. 31109
 Mexico
 Phone: (52) 14 391151      FAX: (52) 14 391112
 E-mail: glossman #*at*# mail.cimav.edu.mx
              glossman #*at*# hotmail.com
              dglossman #*at*# yahoo.com
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