Input file errors; unexplained error messages


Clicked A Few Times
I have the following error when I run NWChem on a "standard" input file. I can't seem to find the error, though it must be in the geometry input section, since the error is thrown when NWChem would start to read the input geometry. My input geometry section looks like this:
Quote:NWChem input
geometry center noautoz print
system crystal
lat_a 12.97270
lab_b 12.97270
lat_c 12.97270
alpha 90.
beta 90.
gamma 90.
end
La 0.1271738478735495 0.0001289632349757 0.2488289422159110
La 0.8683221836142911 0.0043126638028192 0.7431958784047110
La 0.3743483075301383 0.0039973664945626 0.7420689378922523
....
end





Does this error message give you any clues as to where I should look?
Quote:NWChem output

------------------------------------------------------------------------
system_input: invalid/missing system 0
------------------------------------------------------------------------
There is an error in the input file
------------------------------------------------------------------------
For more information see the NWChem manual at http://nwchemgit.github.io/index.php/NWChem_Documentation
For further details see manual section:
0:0:system_input: invalid/missing system:: -1

Forum Regular
I am sorry, the error message is rather confusing. However, what it means in this case is that you made a typo. You typed

    lab_b 12.97270

instead of

    lat_b 12.97270

Fixing the typo should resolve this problem.

Clicked A Few Times
thanks!


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