adjusting bond lenth with in vnl 2008.10.0

[A.G]

Hello every one
I'm using Vnl version 2008.10.0 for creating two probe system of diblock molecular diode. Is there is any option in this version that enable me to adjust the bond length between the terminal sulfur atom and gold electrode at specific value   all what I can do now is to manually adjust the bond length by moving the molecular diode between the two gold electrode to adjust the bond length as much as possible.....but at the end they are not equal at both terminal side  
thank you........

[zh]

Now, no supports on this older version. Please try the latest version of VNL.

[A.G]

Zh thank you very much