img37.svg"
 ALT="$^2$"></SPAN>.) / r
<BR>
4 : Exponential  = P1 * E
<BR>
5 : Reid soft core, 12 * tensor part
<BR>
6 : Vol Gaussian = 12 * P1 * exp(-RH*RH)
<BR>
7,8,9 : Read from external file, as above.

<P>

<P>
<BR>

<P>
If SHAPE <SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img2.svg"
 ALT="$\geq $"></SPAN> 30, then use SHAPE-30, and define a
<SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img25.svg"
 ALT="$J$"></SPAN>- or  <SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img35.svg"
 ALT="$L$"></SPAN>-dependent potential by a 