I think there is a typo lelfield = .TURE. ,
for your convergence issue: run a calc without electric field first, then restart by reading the charge density from file(startingpot='file') with field turn on at a small value (you can play that game several times and increase the value gradually)! HTH, Chris -- Postdoctoral Researcher Center for Quantum Nanoscience, Institute for Basic Science Ewha Womans University, Seoul, South Korea
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