[Ifeffit] feff doesn't like cluster

Juraj Majzlan juraj.majzlan at minpet.uni-freiburg.de
Thu Jul 21 10:13:42 CDT 2005


Shelly,

but why did ATOMS generate an ipot that doesn't exist?

Juro

On Jul 21, 2005, at 4:59 PM, Kelly, Shelly D. wrote:

>
> Hi Juro,
>
> Feff is old fasioned.  It requires that all ipot numbers are in order
> and that they exist, otherwise it just quits.  In your example below
> ipot number 1 was not defined.
>
> Shelly
>
>> -----Original Message-----
>> From: ifeffit-bounces at millenia.cars.aps.anl.gov [mailto:ifeffit-
>> bounces at millenia.cars.aps.anl.gov] On Behalf Of Juraj Majzlan
>> Sent: Thursday, July 21, 2005 9:51 AM
>> To: XAFS Analysis using Ifeffit
>> Subject: Re: [Ifeffit] feff doesn't like cluster
>>
>> Hello,
>>
>> thank you for the fast response. According to Norbert's
>> suggestion, I looked in the feff file. The problem seems to
>> be with the potential 1, assigned to As. Removing this line
>> and rewriting all potentials in the list makes feff like
>> the input. However, I don't understand why ATOMS has
>> generated these ipot values. The atoms.inp is below.
>>
>> Juro
>>
>> ----------------------------------part of feff.inp
>>  POTENTIALS
>>  *    ipot   Z  element
>>         0   33   As
>>         1   33   As
>>         2    8   O
>>         3   26   Fe
>>
>>  ATOMS                          * this list contains 24
>> atoms
>>  *   x          y          z      ipot  tag
>>              distance
>>     0.00000    0.00000    0.00000  0    As
>>               0.00000
>>    -1.40201    0.76410   -0.53997  2    O3_1
>>             1.68554
>>     0.00000   -1.59002   -0.56202  2    O4_1
>>             1.68643
>>     0.00000   -0.00003    1.68705  2    O1_1
>>             1.68705
>>     1.37801    0.79495   -0.56207  2    O2_1
>>             1.68724
>>    -2.86303   -0.03582   -1.71095  3    Fe2_1
>>            3.33550
>>    -1.39501   -2.50095   -1.71100  3    Fe3_1
>>            3.33591
>>    -1.46101   -0.86989   -2.91804  2    O13_1
>>            3.37731
>>    -2.86203   -1.70487   -0.55592  2    O12_1
>>            3.37740
>>     0.00000   -0.69408    3.59511  3    Fe1_1
>>            3.66150
>>     0.00000   -2.60210    2.90109  2    O7_1
>>             3.89708
>>     2.03002   -0.69418    3.59504  2    O9_1
>>             4.18655
>>    -2.03002   -0.69397    3.59518  2    O8_1
>>             4.18663
>>    -2.86503    1.63323   -2.86599  2    O11_1
>>            4.36918
>>     0.07200   -3.29702   -2.86609  2    O15_1
>>            4.36921
>>    -4.26604    0.79825   -0.50387  2    O10_1
>>            4.36923
>>    -1.32901   -4.13200   -0.50397  2    O14_1
>>            4.36963
>>     0.00000    1.21295    4.28913  2    O6_1
>>             4.45734
>>     0.00000   -1.38895   -4.49813  2    O5_1
>>             4.70769
>>    -2.79603   -3.41087   -2.86399  2    O17_1
>>            5.25873
>>    -4.33104   -0.83474   -2.86393  2    O16_1
>>            5.25897
>>     0.00000   -1.38912    5.50217  2    O5_2
>>             5.67482
>>     5.73406    0.79772   -0.50422  2    O10_2
>>            5.81120
>>     0.00000    1.21312   -5.71117  2    O6_2
>>             5.83859
>>  END
>>
>>
>> ----------------------------------atoms.inp
>> title model6
>> space  P 1
>> rmax=6.0  a=10.0001  b=10.0002  c=10.0003  alpha=90.001
>>  beta=90.002  gamma=90.003
>> core=As
>> atom
>> !  At.type   x         y         z      tag
>>     As     0.00000   0.00000   0.00000  As
>>     Fe     0.00000  -0.06940   0.35950  Fe1
>>     Fe    -0.28630  -0.00360  -0.17110  Fe2
>>     Fe    -0.13950  -0.25010  -0.17110  Fe3
>>     O      0.00000   0.00000   0.16870  O1
>>     O      0.13780   0.07950  -0.05620  O2
>>     O     -0.14020   0.07640  -0.05400  O3
>>     O      0.00000  -0.15900  -0.05620  O4
>>     O      0.00000  -0.13890   0.55020  O5
>>     O      0.00000   0.12130   0.42890  O6
>>     O      0.00000  -0.26020   0.29010  O7
>>     O     -0.20300  -0.06940   0.35950  O8
>>     O      0.20300  -0.06940   0.35950  O9
>>     O     -0.42660   0.07980  -0.05040  O10
>>     O     -0.28650   0.16330  -0.28660  O11
>>     O     -0.28620  -0.17050  -0.05560  O12
>>     O     -0.14610  -0.08700  -0.29180  O13
>>     O     -0.13290  -0.41320  -0.05040  O14
>>     O      0.00720  -0.32970  -0.28660  O15
>>     O     -0.43310  -0.08350  -0.28640  O16
>>     O     -0.27960  -0.34110  -0.28640  O17
>>
>>
>> On Thu, 21 Jul 2005 08:53:27 -0500 (CDT)
>>  Matt Newville <newville at cars.uchicago.edu> wrote:
>>> Juraj,
>>>
>>> Please post the feff.inp file.  You might also
>>> send the atoms.inp file.
>>>
>>> -Matt
>>>
>>> On Thu, 21 Jul 2005, Juraj Majzlan wrote:
>>>
>>>> Hello,
>>>>
>>>> I collected As K EXAFS data and created a cluster which
>>>> could represent the "probable geometry". I have an
>>> ATOMS
>>>> file with coordinates of the atoms in a triclinic unit
>>>> cell. ATOMS did its thing but FEFF refused to process
>>> the
>>>> data and generated an error:
>>>>  Feff 6L.02
>>>>    No atoms or overlap cards for unique pot     1
>>>>   Cannot calculate potentials, etc.
>>>>  Fatal Error: at RDINP
>>>>
>>>> Then I filled the empty space around the cluster with
>>>> hydrogen atoms on a grid, hoping that FEFF would like
>>> it
>>>> more, but the same error came.
>>>>
>>>> Short of creating a complete structure (of some sort)
>>> with
>>>> the cluster embedded in it, what can I do to make this
>>>> work?
>>>
>>>
>>> _______________________________________________
>>> Ifeffit mailing list
>>> Ifeffit at millenia.cars.aps.anl.gov
>>> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>>
>>
>>
>> ----------------------------------
>> Juraj Majzlan
>> Institute of Mineralogy and Petrology
>> Albert-Ludwig-University of Freiburg
>> Albertstrasse 23b
>> Freiburg, D-79104, Germany
>> telephone +49-761-203-6416
>> fax +49-761-203-6407
>> http://www.minpet.uni-freiburg.de
>> _______________________________________________
>> Ifeffit mailing list
>> Ifeffit at millenia.cars.aps.anl.gov
>> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit
>
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>

----------------------------------------------------------------------
Juraj Majzlan
Institute of Mineralogy and Geochemistry
Albert-Ludwig-University of Freiburg
Albertstrasse 23b
D-79104 Germany
telephone +49-761-203-6416
fax +49-761-203-6407
http://www.minpet.uni-freiburg.de/Majzlan.html




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