idk about the molecule but I think the bulk input has a very large valuo of celldm(3) which should be c/a not c.

also the distance between O and H looks large...

and by the way... Urea should be CO(NH2)2. .... that should be 8 atoms

your cell only has 5 .... !?

stefano

On 11/03/20 14:52, De Gary, Alban wrote:

Dear users and devlopers,


I am trying to determine cohesive Energy of Urea.

I created inputs for a bulk (according to cif file) and isolated molecule.

Unfortunately, it is hard to make it converge… I tried to optimize as much as possible every factor adapted to my problem, but I’m really stuck

Can you have a look on my inputs and tell me what’s wrong please ?

Best regards,

Thank you in advance for your answers

Alban

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