[gmx-users] System Charge

Mark Abraham mark.j.abraham at gmail.com
Mon Jun 5 20:50:32 CEST 2017


Hi,

I'm not sure either, but perhaps you should look at the output of genion
and see what it said it was doing.

Mark

On Mon, Jun 5, 2017 at 8:35 PM Pandya, Akash <akash.pandya.15 at ucl.ac.uk>
wrote:

> Hi,
>
> Well I have to add 50mM of NaCl to my system, so I specified that on the
> genion command with the flag -conc and also entered -neutral. But it still
> came up with a charge of 9.000026 so I am not sure?
>
> Akash
>
> -----Original Message-----
> From: gromacs.org_gmx-users-bounces at maillist.sys.kth.se [mailto:
> gromacs.org_gmx-users-bounces at maillist.sys.kth.se] On Behalf Of Mark
> Abraham
> Sent: 05 June 2017 19:30
> To: gmx-users at gromacs.org; gromacs.org_gmx-users at maillist.sys.kth.se
> Subject: Re: [gmx-users] System Charge
>
> Hi,
>
> Is that a suitable model of your simulation system? Why is it better than
> one with a different number of ions?
>
> Mark
>
> On Mon, 5 Jun 2017 20:22 Pandya, Akash <akash.pandya.15 at ucl.ac.uk> wrote:
>
> > Hi all,
> >
> > My system has still got a non-zero total charge of 9 after adding the
> > counter-ions. Do I need for it to be zero in order to run the
> > simulation or is it fine?
> >
> >
> > Akash
> >
> >
> >
> > --
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