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Dear
I want to calculate non-interacting species.about 1D periodic boundary conditions.
Is it necessary for me to use IDIPOL or LDIPOL for my caculation?
Or can I use other necessary parameter about my INCAR?
thanks

if I get you right, you don' have to set IDIPOL or LDIPOL. to ensure that the 1D chains don't interact, please
-- choose a large box size in the 2 remaining directions (POSCAR)
-- use 1 k-point only in these 2 directions (KPOINTS)

Thanks！
I know.