PDCharges


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add charge to bq value
You need to add the charge value to the bq line to make it a point charge, e.g.

bq x y z charge 1.

The modified input becomes


start nw

memory stack 600 mb heap 100 mb global 800 mb
charge 0

geometry
O -0.989 0.6203 0.0827
H -0.3665 1.1207 -0.4459
H -1.6444 1.259 0.3632
bq -0.67775 0.8705 -0.1816 charge 1.
bq -1.3167 0.93965 0.22295 charge 1.
end

basis cartesian
* library 6-311++G(2d,2p)
end

dft
xc pbe0
end

esp
recalculate
probe 0.07
range 0.3
factor 1
spacing 0.02
end

property
dipole
quadrupole
end

task DFT property
task esp