EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/2005slh1124

Report generated Sep 12, 2005; 09:38:33

Unit cell

1429 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p222
a (Angstrom)8.3385 +/- 0.0002
b (Angstrom)11.3356 +/- 0.0002
c (Angstrom)11.3719 +/- 0.0003
alpha (°) 90.000
beta (°) 90.000
gamma (°) 90.000
Volume (A**3)1074.89 +/- 0.04
Mosaicity (°)0.498 +/- 0.002

Data collection

Summary

Total number of images collected185
Total exposure time61.0 minutes
Data collection exposure time59.6 minutes
Data collection wall-clock time74.5 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance30.80 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f93186.0° phi2.000°20 secondsYes
data collections02f32 64.0° omega2.000°20 secondsYes
data collections03f52104.0° omega2.000°20 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected  62
Overload or incomplete profile 622
Sigma cutoff   6

Final Data Set

Scale factor range7.01-11.51
Number of 'full' reflections  8749
Number of 'partial' reflections  4979
Total number of integrated reflections 13151
Total number of unique reflections  1442
Data completeness  99.3%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity  629.7
Average Sigma(I)    9.8
Overall R-merge (linear)  0.034

Sadabs Results

Parameter refinement on 11445 reflections reduced R(int) from 0.1008 to 0.0312

Before rejection, 12907 reflections total and 1450 unique

After rejection, 12762 reflections total and 1448 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    8.2  0.0309   1.203 - 1.318   0.907 - 1.140   1.470    6653    5988
    2   -7.6  0.0378   0.693 - 0.972   0.949 - 1.140   1.417    2290    2006
    3   -7.2  0.0281   0.643 - 0.802   0.916 - 1.148   1.367    3819    3429
Ratio of minimum to maximum apparent transmission: 0.789764

Metadata

  Group    Personal  
  Operator   Mike Hursthouse  
  Sample Owner   SLH/CAG  
  Local Code   CAG157  
  Formula   C26H28N2O4P2S4Co1  
  Crystal Colour    dichroic  
  Crystal Habit    Prism  
  Crystal Size   0.2 x 0.08 x 0.06 (mm3) 
  Temperature   120(K) 
  Generator   50 (kV)   85 (mA) 
  Primary Solvent     
  Other Solvents     

File Explanations

SampleCode.zip
      SampleCode.hkl - data corrected using  SADABS
      SampleCode_merge_none.hkl - equivalents and friedels kept separate  (See "Final Data Set" table in this report)
      SampleCode.p4p - skeleton p4p file for use with XPREP
      SampleCode.htm - this summary file


Southampton CIF entry fields

_exptl_absorpt_process_details       'SADABS V2.10 (Sheldrick, G.M., 2003)'

_diffrn_ambient_temperature           120(2)
_diffrn_radiation_wavelength           0.71073
_diffrn_radiation_type                      MoK\a
_diffrn_radiation_source                  'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_monochromator    '10cm confocal mirrors'
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method          '\f & \w scans'
_diffrn_detector_area_resol_mean   9.091

_computing_data_collection        
'COLLECT (Hooft, R.W.W., 1998)'
_computing_cell_refinement        
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
#Although determined using DirAx, the cell is refined in the HKL
#package during data reduction
_computing_data_reduction         
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)' 

Software References

Unit Cell Determination using DirAx:
Duisenberg AJM. Indexing in Single-Crystal Diffractometry with an Obstinate List of Reflections. Journal of Applied Crystallography 1992; 25: 92-96.
Duisenberg AJM, Hooft RWW, Schreurs AMM, Kroon J. Accurate cells from area-detector images. Journal of Applied Crystallography 2000; 33: 893-898.

Diffractometer control and strategy calculation using COLLECT:
Hooft RWW. COLLECT data collection software, Nonius B.V., 1998.

Standard Data Reduction using HKL(Denzo & Scalepack):
Otwinowski Z, Minor W. Processing of X-ray diffraction data collected in oscillation mode. Macromolecular Crystallography, Pt A. 1997; 276: 307-326.

Absorption Correction
Sheldrick, G. M. (2003). SADABS. Version 2.10. Bruker AXS Inc., Madison, Wisconsin, USA.

Non-Standard Data Reduction using EvalCCD:
Duisenberg AJM, Kroon-Batenburg LMJ, Schreurs AMM. An intensity evaluation method: EVAL-14. Journal of Applied Crystallography 2003; 36: 220-229.

For more information visit the service web site at: http://www.soton.ac.uk/~xservice/