[Pw_forum] I cannot get my .dyn(m-n) file

[Viet Huy Nguyen]

>
> ATOMIC_SPECIES
>     O   16.00000  H_US.van
>     H    1.00000  O_US.van
>

This may be the reason for your problem.
You might use pseudopotential of Hidrogen for Oxigen and vice versa.
Viet
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