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    <TD bgColor=#343e44 width=50>&nbsp;</TD>
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                              <DIV><FONT size=2><FONT face=宋体><SPAN 
                              id=_FoxToName>Hi,gmx-users</SPAN>,</FONT></FONT></DIV>
                              <DIV>&nbsp; </DIV>
                              <DIV>&nbsp;&nbsp; I just want to create a rtp file 
                              for an ester. I do know how to get the atom type, 
                              mass, bonds, impropers etc.But there some troubles 
                              in determining charges about ervery atom? How 
                              can&nbsp;I manage it?</DIV>
                              <DIV>&nbsp;</DIV>
                              <DIV>Thanks.</DIV>
                              <DIV>Best,</DIV>
                              <DIV>Xianhui Wu</DIV>
                              <DIV><FONT face=宋体 size=2>  <SPAN 
                              id=_FoxCURSOR></SPAN></FONT></DIV>
                              <DIV>&nbsp;</DIV>
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