From chemistry-request@ccl.net Sat Apr  3 01:04:08 2004
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From: "Yubo Fan" <yubofan.-at-.mail.chem.tamu.edu>
Subject: unit for density in G03
To: chemistry.-at-.ccl.net
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Hi,

I'm going to calculate solvation energy in 
N,N-dimethylacetamide (DMA) solution. I've got the 
dieletric constant and the calculated solvent radius for 
DMA, but I'm not sure what is the unit I should use for 
the density of DMA in the Gaussian 03 input file. Is it 
g/ml?

Thanks in advance.

Yubo Fan


From chemistry-request@ccl.net Sat Apr  3 13:23:19 2004
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From: Rudolf Herrmann <rudolf.herrmann!at!physik.uni-augsburg.de>
To: CCL <chemistry!at!ccl.net>
Subject: GIAO on radicals?
Date: Sat, 3 Apr 2004 20:30:15 +0200
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Hello,
I'm using Gaussian03 for calculating NMR chemical shifts. This works fine for 
singlet states. Whenever I try to calculate a radical (dublet or triplet) the 
calculation crashes at the same point, independent of the basis set or method 
(HF or DFT). Is this a known problem? Or what could I do to get a result?
I include an example of the final part of the output file.
Thank you for your help.
Yours,
Rudolf.

 Range of M.O.s used for correlation:     1   186
 NBasis=   186 NAE=    52 NBE=    51 NFC=     0 NFV=     0
 NROrb=    186 NOA=    52 NOB=    51 NVA=   134 NVB=   135
          Differentiating once with respect to magnetic field using GIAOs.
          Differentiating once with respect to nuclear magnetic moment.
          Differentiating once with respect to Fermi-contact and electric 
field gradient.
          Electric field/nuclear overlap derivatives assumed to be zero.
 Symmetry not used in FoFDir.
 MinBra= 0 MaxBra= 2 Meth= 1.
 IRaf=       0 NMat=   1 IRICut=       1 DoRegI=T DoRafI=F ISym2E= 0 JSym2E=0.
          There are  15 degrees of freedom in the 1st order CPHF.
    15 vectors were produced by pass  0.
 AX will form  15 AO Fock derivatives at one time.
    15 vectors were produced by pass  1.
    15 vectors were produced by pass  2.
    15 vectors were produced by pass  3.
    15 vectors were produced by pass  4.
    14 vectors were produced by pass  5.
    11 vectors were produced by pass  6.
     1 vectors were produced by pass  7.
 Inv2:  IOpt= 1 Iter= 1 AM= 1.00D-15 Conv= 1.00D-12.
 Inverted reduced A of dimension  101 with in-core refinement.
 Calculating GIAO nuclear magnetic shielding tensors.
 Operation on file out of range.
FileIO: IOper= 2 IFilNo(1)=  -592 Len=       52173 IPos=      782595 Q=       
1143608712


 dumping /fiocom/, unit = 1 NFiles =    87 SizExt =     32768 WInBlk =       
512
                   defal = F LstWrd =     9358848 FType=2 FMxFil=10000

 Number           0          0          0        501        502        503        
507        508
 Base       4420100    1546752    5306880     303104     310784     385536     
386560     882688
 End        5237248    1720832    9358848     304104     332834     385607     
556562     882703
 End1       5237248    1720832    9358848     304128     333312     386048     
557056     883200
 Wr Pntr    4420100    1546752    5306880     303104     310784     385536     
386560     882688
 Rd Pntr    4420100    1546752    5306880     303104     310784     385536     
386560     882688
 Length      817148     174080    4051968       1000      22050         71     
170002         15

 < lots of similar blocks deleted >

 dumping /fiocom/, unit = 3 NFiles =     1 SizExt =    524288 WInBlk =       
512
                   defal = T LstWrd =       65536 FType=2 FMxFil=10000

 Number           0
 Base         20480
 End          65536
 End1         65536
 Wr Pntr      20480
 Rd Pntr      20480
 Length       45056
 Error termination in NtrErr:
 NtrErr Called from FileIO.


-- 
Dr. Rudolf Herrmann
Institute of Physics, University of Augsburg
Universitdtsstr. 1
D-86135 Augsburg (Germany)
e-mail: rudolf.herrmann!at!physik.uni-augsburg.de



From chemistry-request@ccl.net Sat Apr  3 19:22:19 2004
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From: Serguei Patchkovskii <ps:at:ned.sims.nrc.ca>
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To: Rudolf Herrmann <rudolf.herrmann:at:physik.uni-augsburg.de>
cc: CCL <chemistry:at:ccl.net>
Subject: Re: CCL:GIAO on radicals?
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On Sat, 3 Apr 2004, Rudolf Herrmann wrote:
> I'm using Gaussian03 for calculating NMR chemical shifts. This works fine
> for singlet states. Whenever I try to calculate a radical (dublet or triplet)
> the calculation crashes at the same point, independent of the basis set or
> method (HF or DFT). Is this a known problem? Or what could I do to get a
> result?

Rudolf,

Theory of the NMR chemical shifts is quite different for radicals, and
for the closed-shell species. To the best of my knowledge (and, being
barred by Gaussian Inc. from using their code, I wouldn't really know
- or care), Gaussian03 only implements the latter. So, even if you will
get a number from it, it will not mean very much.

Some background reading:

H. M. McConnell, D. B. Chesnut, J. Chem. Phys., 1958, 28, 107.

H. M. McConnell, R. E. Robertson, J. Chem. Phys. 1958, 27, 1361-1365.

Z. Rinkevicius, J. Vaara, L. Telyatnyk, O. Vahtras, J. Chem. Phys. 2003,
   118, 2550.

S. Moon and S. Patchkovskii, "First-principles calculations of paramagnetic
   NMR shifts", In: M. Kaupp, M. B|hl, V.G. Malkin (eds), "Calculation of
   NMR and EPR Parameters: Theory and Applications, Wiley-VCH, 2004.

Have fun!

Serguei




From chemistry-request@ccl.net Sat Apr  3 18:37:08 2004
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Date: Sun, 4 Apr 2004 01:40:22 +0200 (MET DST)
From: VITORIA GARCIA Pablo <qibvigap..at..lg.ehu.es>
To: Rudolf Herrmann <rudolf.herrmann..at..physik.uni-augsburg.de>
cc: CCL <chemistry..at..ccl.net>
Subject: Re: CCL:GIAO on radicals?
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Hi Rudolf,

Could it be that you are running out of disk space?

Pablo

On Sat, 3 Apr 2004, Rudolf Herrmann wrote:

> Hello,
> I'm using Gaussian03 for calculating NMR chemical shifts. This works fine for 
> singlet states. Whenever I try to calculate a radical (dublet or triplet) the 
> calculation crashes at the same point, independent of the basis set or method 
> (HF or DFT). Is this a known problem? Or what could I do to get a result?
> I include an example of the final part of the output file.
> Thank you for your help.
> Yours,
> Rudolf.
> 
>  Range of M.O.s used for correlation:     1   186
>  NBasis=   186 NAE=    52 NBE=    51 NFC=     0 NFV=     0
>  NROrb=    186 NOA=    52 NOB=    51 NVA=   134 NVB=   135
>           Differentiating once with respect to magnetic field using GIAOs.
>           Differentiating once with respect to nuclear magnetic moment.
>           Differentiating once with respect to Fermi-contact and electric 
> field gradient.
>           Electric field/nuclear overlap derivatives assumed to be zero.
>  Symmetry not used in FoFDir.
>  MinBra= 0 MaxBra= 2 Meth= 1.
>  IRaf=       0 NMat=   1 IRICut=       1 DoRegI=T DoRafI=F ISym2E= 0 JSym2E=0.
>           There are  15 degrees of freedom in the 1st order CPHF.
>     15 vectors were produced by pass  0.
>  AX will form  15 AO Fock derivatives at one time.
>     15 vectors were produced by pass  1.
>     15 vectors were produced by pass  2.
>     15 vectors were produced by pass  3.
>     15 vectors were produced by pass  4.
>     14 vectors were produced by pass  5.
>     11 vectors were produced by pass  6.
>      1 vectors were produced by pass  7.
>  Inv2:  IOpt= 1 Iter= 1 AM= 1.00D-15 Conv= 1.00D-12.
>  Inverted reduced A of dimension  101 with in-core refinement.
>  Calculating GIAO nuclear magnetic shielding tensors.
>  Operation on file out of range.
> FileIO: IOper= 2 IFilNo(1)=  -592 Len=       52173 IPos=      782595 Q=       
> 1143608712
> 
> 
>  dumping /fiocom/, unit = 1 NFiles =    87 SizExt =     32768 WInBlk =       
> 512
>                    defal = F LstWrd =     9358848 FType=2 FMxFil=10000
> 
>  Number           0          0          0        501        502        503        
> 507        508
>  Base       4420100    1546752    5306880     303104     310784     385536     
> 386560     882688
>  End        5237248    1720832    9358848     304104     332834     385607     
> 556562     882703
>  End1       5237248    1720832    9358848     304128     333312     386048     
> 557056     883200
>  Wr Pntr    4420100    1546752    5306880     303104     310784     385536     
> 386560     882688
>  Rd Pntr    4420100    1546752    5306880     303104     310784     385536     
> 386560     882688
>  Length      817148     174080    4051968       1000      22050         71     
> 170002         15
> 
>  < lots of similar blocks deleted >
> 
>  dumping /fiocom/, unit = 3 NFiles =     1 SizExt =    524288 WInBlk =       
> 512
>                    defal = T LstWrd =       65536 FType=2 FMxFil=10000
> 
>  Number           0
>  Base         20480
>  End          65536
>  End1         65536
>  Wr Pntr      20480
>  Rd Pntr      20480
>  Length       45056
>  Error termination in NtrErr:
>  NtrErr Called from FileIO.
> 
> 
> -- 
> Dr. Rudolf Herrmann
> Institute of Physics, University of Augsburg
> Universitdtsstr. 1
> D-86135 Augsburg (Germany)
> e-mail: rudolf.herrmann..at..physik.uni-augsburg.de
> 
> 
> 
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--------------------------------------------------------------------------------
Pablo Vitoria Garcia 
Address:    Dpto. Quimica Inorganica, Facultad de Ciencias
            Universidad del Pais Vasco (UPV/EHU)
            Apartado 644, E-48080 Bilbao
            SPAIN
e-mail:     qibvigap..at..lg.ehu.es
Phone:     +34 94 6012000 Ext. 5529
Fax:       +34 94 4648500
--------------------------------------------------------------------------------



