EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/04src0833

Report generated Oct 04, 2004; 16:22:29

Unit cell

13014 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p2
a (Angstrom)16.8824 +/- 0.0002
b (Angstrom)20.3268 +/- 0.0003
c (Angstrom)17.5949 +/- 0.0002
alpha (°) 90.000
beta (°)113.2738 +/- 0.0007
gamma (°) 90.000
Volume (A**3)5546.63 +/- 0.13
Mosaicity (°)0.5370 +/- 0.0010

Data collection

Summary

Total number of images collected329
Total exposure time50.1 minutes
Data collection exposure time49.3 minutes
Data collection wall-clock time81.5 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance35.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f168252.0° phi1.500°9 secondsYes
data collections02f78117.0° omega1.500°9 secondsYes
data collections03f75112.5° omega1.500°9 secondsYes
Phi/Chii01f - i08f86 seconds

Scalepack Scaling

Deleted observations

Rejected 355
Zero sigma or profile test  12
Overload or incomplete profile2992
Sigma cutoff  49
High resolution limit  47

Final Data Set

Scale factor range10.00-16.51
Number of 'full' reflections 41295
Number of 'partial' reflections 40344
Total number of integrated reflections 78897
Total number of unique reflections 13075
Data completeness 100.0%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   56.3
Average Sigma(I)    1.8
Overall R-merge (linear)  0.052

Sadabs Results

Parameter refinement on 57183 reflections reduced R(int) from 0.1135 to 0.0446

Before rejection, 78329 reflections total and 13098 unique

After rejection, 77342 reflections total and 13094 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.8  0.0500   0.607 - 1.049   0.938 - 1.182   1.419   39915   30299
    2  -11.2  0.0530   0.855 - 1.019   0.938 - 1.145   1.416   19098   14097
    3  -11.2  0.0503   1.164 - 1.562   0.938 - 1.244   1.383   18329   13887
Ratio of minimum to maximum apparent transmission: 0.754197

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. I. R. Butler  
  Local Code   KMC05  
  Formula   C54 H80 O6 P2 S2 Fe1  
  Crystal Colour    Yellow  
  Crystal Habit    Slab  
  Crystal Size   0.22 x 0.14 x 0.08 (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/