[gmx-users] output in gromos format

[Mark Abraham]

On 13/04/2010 12:46 AM, grivet wrote:
> Hi everybody,
>
> In order to use an old set of analysis programs, I would like mdrun to
> ouput my trajectory in gromos-96 format. Is this possible ?

trjconv will write .g96 format (see trjconv -h), but I don't know if 
that is a trajectory format or merely a format for single structures.

> I understand that I could convert the .xtc file with trjconv. I need
> rather high precision, but I am uncertain about the meaning of the
> parameter xtc_precision; what does it mean?

That's why manual section 7.3 is so long :-)

> Another quite unrelated question; most examples I have looked at use
> rvdw = 1.0, regardless of the force field; however, the manual states
> that, with GROMOS force fields, one should use rvdw>= 1.4; which is
> correct ?

However the force field was parameterized - so read its literature.

Mark