[AMBER] ff12SB with Na+ ion

From: Tong Zhu <tongzhu9110.gmail.com>
Date: Wed, 25 Apr 2012 18:56:33 +0800

Dear everyone,

when I use amber ff12SB force field I want add two Na+ ions to my
system, but tleap can't save top and crd files, and gives the following

For atom: .R<Na+ 762>.A<Na+ 1> Could not find type: Na+

How can I fix this problem??

Thank you very much ~~~

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Received on Wed Apr 25 2012 - 04:00:03 PDT
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