vinothkumar mohanakrishnan wrote:
Hi justin

if genbox is not able to find sufficient space then why should one calculate number density for the given box dimension?.similarly the the

Just because you can calculate a certain number density does not necessarily mean that the algorithm genbox is using can produce such a configuration. It inserts molecules randomly, so you may be able to find a magical value of -seed for which this will work. The simpler approach is what I suggested earlier.

number of molecules are not getting updated in the molecules section of the topology file when inserting multiple molecules using the genbox command. everytime i need to update it manually.is <http://manually.is> there a way to update it automatically?


The topology will only be updated automatically when adding water. Otherwise, you have to do it yourself.

-Justin

Regards
Vinoth

On Mon, Sep 27, 2010 at 4:31 PM, Justin A. Lemkul <[email protected] <mailto:[email protected]>> wrote:



    vinothkumar mohanakrishnan wrote:

        Hi all

        I have a diffculty in adding multiple molecules of hexane to my
        box. my box size is 4.72*2.36*2.36 (nm) according to my number
        density calculations the box should fit 124 molecules of hexane
        whereas it adds only 76 molecules to the box below is my
        command. i had evev tried with -try command but without sucess.

        genbox -cp hexane-box.gro -ci hexane.gro -p hexane.top -o
        hexane-multi.gro -nmol 124 -seed 1268


    If you're not getting all the molecules you want, then genbox is
    unable to find sufficient space for them.  Try a larger box, then
    equilibrate.

    -Justin

        Regards
        Vinoth


-- ========================================

    Justin A. Lemkul
    Ph.D. Candidate
    ICTAS Doctoral Scholar
    MILES-IGERT Trainee
    Department of Biochemistry
    Virginia Tech
    Blacksburg, VA
    jalemkul[at]vt.edu <http://vt.edu> | (540) 231-9080
    http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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