Re: [gmx-users] NaCl

2010-08-16 Thread Justin A. Lemkul
nishap.pa...@utoronto.ca wrote: I believe the bonds are not defined in the OPLS-AA force field for NaCl. I know this might sound like a stupid question, but is there a way to determine the bond force constant (kb), I tried to look it up, but I couldn't find anything. There may be informat

Re: [gmx-users] NaCl

2010-08-16 Thread nishap . patel
I believe the bonds are not defined in the OPLS-AA force field for NaCl. I know this might sound like a stupid question, but is there a way to determine the bond force constant (kb), I tried to look it up, but I couldn't find anything. Quoting "Justin A. Lemkul" : nishap.pa...@utoront

Re: [gmx-users] NaCl

2010-08-16 Thread Mark Abraham
- Original Message - From: nishap.pa...@utoronto.ca Date: Tuesday, August 17, 2010 3:56 Subject: [gmx-users] NaCl To: gmx-users@gromacs.org > Hello, > > I want to simulate a simple NaCl ion in Well, technically not an ion. I reckon that even given Moore's Law wil

Re: [gmx-users] NaCl

2010-08-16 Thread Justin A. Lemkul
nishap.pa...@utoronto.ca wrote: Hello, I want to simulate a simple NaCl ion in water. I know the method using genion which adds individual Na+ and Cl- ion, but I wish to simulate Na-Cl connected rather than free ions floating in water. When I ran the grompp command I got the error: No

[gmx-users] NaCl

2010-08-16 Thread nishap . patel
Hello, I want to simulate a simple NaCl ion in water. I know the method using genion which adds individual Na+ and Cl- ion, but I wish to simulate Na-Cl connected rather than free ions floating in water. When I ran the grompp command I got the error: No default Bond types So I am think