It's pretty close to -1. The difference stems from floating point conversion errors. There's nothing to worry about.

Erik

Kavyashree M skrev 2011-01-17 13.02:
Dear gromacs users,

while using grompp I got a message :

" System has non-zero total charge: -9.999998e-01"

This is non integral charges. What should I add using genion?
+1 charge? Why am I getting such non integral charges?
I also checked for any breakage in the chain and found no such
ends.

Kindly suggest

With Regards
MKS




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Erik Marklund, PhD student
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,    75124 Uppsala, Sweden
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[email protected]    http://folding.bmc.uu.se/

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