[molpro-user] How to specify Dunning SV & SVP Default Basis?

[Kirk Peterson]

Seth,

the dunning_sv and dunning_svp are indeed in the library (as well as  
dunning_svp+) but just not recognized as possible default basis sets.   
As far as I know the easiest
way then to use them is like the following:

spd,C,dunning-svp;c;

(note the dash and not underscore in the alias)
See the files dunning_svp.libmol, dunning_sv.libmol, and  
dunning_svp_plus.libmol in  the /lib molpro directory.  Note that the  
DZ and DZP basis sets you refer to are
in the files dunning.libmol, while there are other versions of these  
in dunning_dz.libmol and dunning_dzp.libmol.

regards,

Kirk

On Dec 8, 2008, at 3:08 PM, Seth Olsen wrote:

>
> Hi Molpro-Users,
>
> I am trying to use the Dunning segmented SV and SVP basis sets, but
> Molpro does not seem to understand (or does not clearly state the
> official name of the set).  The basis sets labelled 'SV' and 'SVP' in
> the library are not the Dunning sets, but are really 6-31G and 6-31G*
> split-valence sets.  This seems a bit odd to me because 'DZ' and 'DZP'
> are clearly the respective Dunning sets.  Could someone tell me what  
> the
> string is that will specify the Dunning sets.  I have tried
> 'dunning-sv', 'dunning_sv' (both of which are indicated to some extent
> in the library) and 'sv (dunning)'.  None of these work.  Does anyone
> have experience with this.  Here is the output of a simple ethylene
> calculation ends with:
>
> SETTING GEOMTYP        =    XYZ
> SETTING BASIS          =    DUNNING_SVP
>
>
> Recomputing integrals since basis changed
>
>
> Using spherical harmonics
>
> Cannot find default basis DUNNING_SVP for atom C
>
> Please specify a default basis or define basis sets for all atoms!
>
>
> Do I have to manually enter the set?
>
> Many Thanks,
>
> Seth
>
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