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PM6-FM for D2O

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alberto santonocito

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May 5, 2025, 12:29:06 PMMay 5
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Hi CP2K users,

I am trying to simulate D₂O using the PM6-FM method in CP2K. 
However I do not know how to define the mass of D since there is no &KIND section for this method, where you can define the mass of H as 2.0135 amu.

Is there a way to specify the mass of the deuterium isotope when using PM6-FM or a semi-empirical method? 

Thanks in advance

Alberto

Frederick Stein

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May 5, 2025, 12:49:21 PMMay 5
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Hi Alberto,
The &KIND sections have keywords termed ELEMENT and MASS for the specification of element and mass.
HTH,
Frederick

alberto santonocito

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May 5, 2025, 5:54:19 PMMay 5
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Hi Frederick,
thank you a lot,
Alberto
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