[gmx-users] a suitable forcefield for ions

[mah maz]

Thanks Justin. I can only find atoms in ffnonbonded.itp in Amber ff. Where
should I search for ions parameters in Amber ff?

On Wed, May 25, 2016 at 4:01 PM, mah maz <mahmaz71 at gmail.com> wrote:

> Thanks Erik. I found nonbonded parameters for atoms only in Amber ff. Can
> I use them for ions or they are already for ions?
> eg. for Na sigma= 0.332 and epsilon=0.0115. Does it mean that we can use
> thIS sigma and epsilon for Na+?
>
> On Wed, May 25, 2016 at 2:11 PM, mah maz <mahmaz71 at gmail.com> wrote:
>
>> Hi all,
>>
>> i need forcefield parameters for ions. can anyone tell me which
>> forcefield contains ions? can i do ion simulations with amber ff?
>>
>> Thank you
>>
>
>