[CP2K:2503] Error while running a simple MD calculation

Laino Teodoro teodor... at gmail.com
Thu Jan 14 02:51:23 UTC 2010

Dear Nagesh,

On 14 Jan 2010, at 00:27, nagesh wrote:

> Hello everyone,
> I am trying to run a simple MD calculation on a nafion chain in
> presence of water and hydronium ions. The forcefield parameters are
> included directly in the input file itself. The psf file was generated
> by following the sample psf's in CP2K.
> Now, I am getting an error which is read  as " forrtl: severe (64):
> input conversion error, unit -5, file Internal Formatted Read".
> Please find all related files including the error file for the
> simulation in " nafch3.rar" and let me know if you need anything else.

Please next time provide tar or zip archive, which are formats more  
spread than rar.

> The job was run serially and I am using CP2K version 2.0.1, compiled
> on Linux-x86-64 architecture.
> Any help is really appreciated.

Your psf file contains tabs (see attached picture). This is wrong  
because the format of the PSF is quite strict:
you need a certain format for integer and white spaces must be white  

Please correct your psf!

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