Qiao Baofu wrote: > > When integrating, it is for the sphere: 4*PI*integral[/pho*r^{2}*dr]. fine. this is clear, where rho = N/V and N = number of particles (7 ions in this case) and V is the total Volume. > Therefore, the efficient volume is (10x10x10). this may give you N=6.
why the efficient volume should be 10x10x10? I cannot figure out how did you retrieve this conclusion. Thanks for your help anyway, Regards Andrea -- ------------------------------- Andrea Spitaleri PhD Dulbecco Telethon Institute c/o DIBIT Scientific Institute Biomolecular NMR, 1B4 Via Olgettina 58 20132 Milano (Italy) http://biomolecularnmr.ihsr.dom/ ------------------------------- ******************************************************************** Sostieni la ricerca del San Raffaele con il 5permille! E' SEMPLICE E NON COSTA NULLA. Basta indicare nell'apposito riquadro della dichiarazione dei redditi ("Ricerca sanitaria") il codice fiscale della Fondazione Centro S. Raffaele del Monte Tabor: 03 06 42 80 153 e ricordarsi di firmare. Se vuoi saperne di piu' scrivi a [EMAIL PROTECTED] o vai sul sito www.5xmille.org _______________________________________________ gmx-users mailing list gmx-users@gromacs.org http://www.gromacs.org/mailman/listinfo/gmx-users Please don't post (un)subscribe requests to the list. Use the www interface or send it to [EMAIL PROTECTED] Can't post? Read http://www.gromacs.org/mailing_lists/users.php