[Pw_forum] vc-relax optimization of the atomic structure

[ali mehdizadeh]

hello
i want to calculation vc-relax quantum dots MAPbBr3 . how do i choose
ecutoff for QDS 2.5 nm .i have chosen ecutoff 30 ry for bulk MAPbBr3
so how do i choose ecutoff for QDS 2.5 nm
thank you.
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