<esp2multipole>
<state help="ground-,excited or transitionstate (groundstate,singlet,n2s1)">n2S1</state>
<method help="Method to use derive partial charges, CHELPG and Mulliken implented">CHELPG</method>
<gridsize help="Grid accuracy for numerical integration within CHELPG and GDMA coarse,medium,fine">fine</gridsize>
<constraints help="add constrains to fit">
<regions help="constrain a region to a certain charge">
<region>
<indices help="atom ids">0 1 2 3</indices>
<charge help="value of charge">0.5</charge>
</region>
</regions>
<pairs help="constrain two charges to same value">
<pair help="atom ids">0 1</pair>
</pairs>
</constraints>
</esp2multipole>