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#1 2022-06-11 13:37:37

PIjush Karak
Member
Registered: 2022-04-18
Posts: 10

nonadiabatic coupling is mass weighetd or not

Dear Developers,

Whether the printed nonadiabatic coupling in cartesian coordinates using ALASKA module is mass weighted or not.
Another query is how the norm(single value) was calculated from all the atom centered nonadiabatic coupling.





With regards,
Pijush

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#2 2022-06-13 09:33:34

Ignacio
Administrator
From: Uppsala
Registered: 2015-11-03
Posts: 1,085

Re: nonadiabatic coupling is mass weighetd or not

The Cartesian gradients and couplings printed in ALASKA are *not* mass-weighted. The norm is simply the Euclidean norm of the 3N-dimensional vector, i.e. the square root of the sum of the square of each component.

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#3 2022-06-14 09:30:05

PIjush Karak
Member
Registered: 2022-04-18
Posts: 10

Re: nonadiabatic coupling is mass weighetd or not

Thank you very much.

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