~~NOTOC~~
====== IMD ======
----

If ''imdpotsteps'' is given in the [[parameters|parameter file]], potentials in [[http://imd.itap.physik.uni-stuttgart.de/|IMD]] format will be written. The prefix of these files is determined with the ''imdpot'' parameter.

The number of files depends on the potential model. After the optimization, //potfit// writes the names of all files it creates to stdout, e.g.:
<code>
IMD pair potential written to           imdpot_phi.imd.pt
IMD transfer function written to        imdpot_rho.imd.pt
IMD embedding function written to       imdpot_F.imd.pt
</code>

====  pair potentials  ====

A single file with the name
  imdpot_phi.imd.pt
is created. It contains all pair potentials. 

====  EAM potentials  ====

In addition to the pair potential there is the transfer function in 
  imdpot_rho.imd.pt
and the embedding function in 
  imdpot_F.imd.pt

====  ADP potentials  ====

All files from EAM will be created plus the dipole part in
  imdpot_upot.imd.pt
and the quadrupole part in
  imdpot_wpot.imd.pt

====  Coulomb / Dipole  ====

The electostatic interactions (including the non-electrostatic short-range part) are given by analytical potentials so far. 
A single file with the name
  imdpot_charges.imd
is created. It contains all required parameters. The contents of this file have to be copied **into** the IMD parameter file.