In this case I would recommend searching for more Se atoms, e.g. 
FIND 6 or 8 for SHELXD. If you then input the results into SHELXE 
(or are using these programs via hkl2map) you do not need use 
MLPHARE as well.

George 

Prof. George M. Sheldrick FRS
Dept. Structural Chemistry, 
University of Goettingen,
Tammannstr. 4,
D37077 Goettingen, Germany
Tel. +49-551-39-3021 or -3068
Fax. +49-551-39-2582


On Thu, 20 Dec 2007, Partha Chakrabarti wrote:

> Hiya,
> 
> I used shelex C/D/E on a SAD data, and wanted to refile the positions in
> MLPHARE before going for AddSOLVE. Confused with the output of two shelex
> files.
> 
> shelx1.pdb file says
> 
> CRYST1   50.050   65.520  105.180  90.00   90.00  90.00
> SCALE1      0.019980  0.000000  0.000000        0.00000
> SCALE2      0.000000  0.015263  0.000000        0.00000
> SCALE3      0.000000  0.000000  0.009508        0.00000
> HETATM    1  S   HAT     1      13.301  15.247   9.244 1.000 20.00
> HETATM    2  S   HAT     2      11.528  28.067  11.167 0.803 20.00
> HETATM    3  S   HAT     3      15.167   5.763  19.810 0.613 20.00
> HETATM    4  S   HAT     4      13.307  30.233   13.293 0.599 20.00
> HETATM    5  S   HAT     5      12.792  19.519   4.781 0.572 20.00
> HETATM    6  S   HAT     6      13.273  15.312  20.083 0.373 20.00
> END
> 
> 
> shelxd_fa.res file says:
> 
> REM TRY     37   CC 37.28   CC(weak) 19.64   TIME      56 SECS
> REM
> TITL eba28_4_shelxc_fa.ins SAD in C2221
> CELL  0.98000   50.05   65.52  105.18   90.00   90.00   90.00
> LATT  -7
> SYMM -X, -Y, 1/2+Z
> SYMM -X, Y, 1/2-Z
> SYMM X, -Y, -Z
> SFAC SE
> UNIT   128
> SE01   1  0.265762  0.232712  0.087886   1.0000  0.2
> SE02   1  0.230339  0.428368  0.106166   0.8032  0.2
> SE03   1  0.303047  0.087959  0.188342   0.6130  0.2
> SE04   1  0.265884  0.461433  0.126384   0.5992  0.2
> SE05   1  0.255577  0.297905  0.045451   0.5723  0.2
> SE06   1  0.265198  0.233696  0.190944   0.3728  0.2
> HKLF 3
> END
> 
> I have only 4 Se atoms, as judged from cell content analysis, so I guess I
> do see some Sulphurs. What should I do with atom identifiers in MLPHARE?
> 
> Cheers, Partha
> 

Reply via email to