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<TITLE> Force Fields for IONS</TITLE>
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<P><FONT SIZE=2 FACE="Arial">Dear ALL:</FONT>
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<P><FONT SIZE=2 FACE="Arial">I'm looking for force field parameters for ions such as:</FONT>
<BR><FONT SIZE=2 FACE="Arial">Na+, B+3, Al+3, Mg+2, Ca+2, Ba+2, Sr+2, As+3, O-2, K+, Si+4</FONT>
<BR><FONT SIZE=2 FACE="Arial">Lennard-Jones (6,12), Buckingham and/or bonding terms.</FONT>
<BR><FONT SIZE=2 FACE="Arial">I got some but I'm not sure they are good enough because</FONT>
<BR><FONT SIZE=2 FACE="Arial">At 723 K the density is 0.86 g/cm^3, instead of ~2.5 g/cm^3</FONT>
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<P><FONT SIZE=2 FACE="Arial">Any ideas?</FONT>
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<P><FONT SIZE=2 FACE="Arial">Thanks a lot in advance</FONT>
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<P><FONT SIZE=2 FACE="Arial">Adama Tandia</FONT>
<BR><FONT SIZE=2 FACE="Arial">Modeling & Simulation</FONT>
<BR><FONT SIZE=2 FACE="Arial">Corning INC</FONT>
<BR><FONT SIZE=2 FACE="Arial">Corning, NY 14831 USA</FONT>
<BR><FONT SIZE=2 FACE="Arial">Tel: 607 248 1036</FONT>
<BR><FONT SIZE=2 FACE="Arial">Fax: 607 974 3405</FONT>
<BR><A HREF="www.corning.com"><U><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">www.corning.com</FONT></U></A>
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