Re: [gmx-users] Combining LJ and buckingham potential

2009-04-19 Thread Omer Markovitch
Hello Osmair,
Perhaps you can try using the [ nonbond_params ]  [ pairs ] sections of
the TOP file?
How did you define these interactions in your TOP file?
--Omer.

Koby Levy research group,
Weizmann Institute of Science.
http://www.weizmann.ac.il/sb/faculty_pages/Levy/


On Fri, Apr 17, 2009 at 22:51, osmair oliveira osmai...@hotmail.com wrote:

  Hi,
 I have tried to simulate a crystal in water solvent, however I
 found the error:

 ERROR 0 [file new-topol3.top, line 19]:
   Trying to add LJ (SR) while the default nonbond type is Buck.ham (SR)

 So, my question: How can I use or define  LJ potential (for water) and
 buckingham potential (for a crystal) in the same *.top, *.itp?

 Thanks,

 Osmair V. Oliveira
 Ph.D. Student
 Brazil


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RE: [gmx-users] Combining LJ and buckingham potential

2009-04-19 Thread osmair oliveira

Hi Omer,

 

My nonbond_params are:

 

[ nonbond_params ]
; For crystal (buckingham potential)

   O O   2  2196413.486.7112690.96
  Ce O   2  191696.3982.8491968.294
  CeCe  2  0   00
; For water (LJ potential)

HOW 1   0   0
  OW O  1  0.0024331696  1.83399e-06


Thanks

Osmair
 


Date: Sun, 19 Apr 2009 14:47:24 +0300
Subject: Re: [gmx-users] Combining LJ and buckingham potential
From: omer...@gmail.com
To: gmx-users@gromacs.org


Hello Osmair,
Perhaps you can try using the [ nonbond_params ]  [ pairs ] sections of 
the TOP file?
How did you define these interactions in your TOP file?
--Omer. 
Koby Levy research group,
Weizmann Institute of Science. 
http://www.weizmann.ac.il/sb/faculty_pages/Levy/



On Fri, Apr 17, 2009 at 22:51, osmair oliveira osmai...@hotmail.com wrote:


Hi,
I have tried to simulate a crystal in water solvent, however I
found the error:

ERROR 0 [file new-topol3.top, line 19]:
  Trying to add LJ (SR) while the default nonbond type is Buck.ham (SR)

So, my question: How can I use or define  LJ potential (for water) and
buckingham potential (for a crystal) in the same *.top, *.itp?

Thanks,

Osmair V. Oliveira
Ph.D. Student
Brazil



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[gmx-users] Combining LJ and buckingham potential

2009-04-17 Thread osmair oliveira

Hi,
I have tried to simulate a crystal in water solvent, however I
found the error:

ERROR 0 [file new-topol3.top, line 19]:
  Trying to add LJ (SR) while the default nonbond type is Buck.ham (SR)

So, my question: How can I use or define  LJ potential (for water) and
buckingham potential (for a crystal) in the same *.top, *.itp?

Thanks,

Osmair V. Oliveira
Ph.D. Student
Brazil

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