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Dear Gromacsians,&nbsp; <BR>
<BR>
<BR>
Using the command, grompp -f em.mdp -p topol.top -c out.gro -o pr.tpr, I wanted to build up tpr file for the simulation, but failed to do so.<BR>
<BR>
I received the error message :<BR>
<BR>
Moleculetype SOL contains no atoms.<BR>
<BR>
I paste my top files and .itp file below<BR>
********************************************<BR>
<BR>
1. TOP FILE<BR>
****************<BR>

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