[gmx-users] Re: insert silicon atoms into ice structure

2010-04-03 Thread Santan William
Thanks for reply.
I intended to add these silicon atoms into ice structure, the


Santan William wrote:
 Dear GMXusers,
 I wanna insert several silicon atoms into an ice crystal. I use
 genbox with a Silicon.pdb, but there's no any silicon atom in the out
 file. Do I miss anything? Anyone has some comments? Thanks a lot.


If zero atoms were inserted, there probably isn't enough space for them in
the box.

-Justin

 Best,
 william
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[gmx-users] Re: insert silicon atoms into ice structure (Justin A. Lemkul)

2010-04-03 Thread Santan William
Thanks for reply.
I intended to add some silicon atoms just into ice structure, so the
simulation box only containing ice. You said there probably isn't enough
space for them in the box. Did you mean I can't insert these atoms into ice
structure if the box only containing ice?
Is there any other way to insert silicon atoms into a solid ice structure?
Thanks a lot.

Best,
william


Santan William wrote:
 Dear GMXusers,
 I wanna insert several silicon atoms into an ice crystal. I use
 genbox with a Silicon.pdb, but there's no any silicon atom in the out
 file. Do I miss anything? Anyone has some comments? Thanks a lot.


If zero atoms were inserted, there probably isn't enough space for them in
the box.

-Justin

 Best,
 william
-- 
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Re: [gmx-users] Re: insert silicon atoms into ice structure (Justin A. Lemkul)

2010-04-03 Thread Justin A. Lemkul



Santan William wrote:
Thanks for reply. 
I intended to add some silicon atoms just into ice structure, so the 
simulation box only containing ice. You said there probably isn't enough 
space for them in the box. Did you mean I can't insert these atoms into 
ice structure if the box only containing ice?


Well, are there cavities in the ice structure sufficiently large to fit your 
silicon atoms?  Judging by the failure of your approach, I'd say there's not.



Is there any other way to insert silicon atoms into a solid ice structure?


You could try generating some random configuration of silicon atoms, then:

genbox -cp si.pdb -cs ice.pdb

You would then, of course, be potentially interrupting the lattice of water 
molecules if some are deleted due to overlap with your silicon atoms.  But as 
for whether or not that's important, you'll have to decide.


-Justin


Thanks a lot.

Best,
william


Santan William wrote:

 Dear GMXusers,
 I wanna insert several silicon atoms into an ice crystal. I use
 genbox with a Silicon.pdb, but there's no any silicon atom in the out
 file. Do I miss anything? Anyone has some comments? Thanks a lot.



If zero atoms were inserted, there probably isn't enough space for them 
in the box.


-Justin


 Best,
 william




--


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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