[Pw_forum] Fwd: vc-relax optimization of the atomic structure

[ali mehdizadeh]

---------- Forwarded message ----------
From: "ali mehdizadeh" <ali.mehdizadeh.physics1992 at gmail.com>
Date: May 29, 2017 2:01 PM
Subject: vc-relax optimization of the atomic structure
To: <pw_forum at pwscf.org>
Cc:

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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