EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/06skc0019

Report generated Jun 12, 2006; 07:48:46

Unit cell

1606 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)5.6890 +/- 0.0005
b (Angstrom)8.9635 +/- 0.0004
c (Angstrom)13.2453 +/- 0.0011
alpha (°) 90.000
beta (°)97.108 +/- 0.003
gamma (°) 90.000
Volume (A**3)670.23 +/- 0.09
Mosaicity (°)0.820 +/- 0.004

Data collection

Summary

Total number of images collected236
Total exposure time270.9 minutes
Data collection exposure time266.8 minutes
Data collection wall-clock time284.3 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 collections01f133266.0° phi2.000°70 secondsYes
data collections02f16 32.0° omega2.000°70 secondsYes
data collections03f27 54.0° omega2.000°70 secondsYes
data collections04f52104.0° omega2.000°70 secondsYes
Phi/Chii01f - i08f830 seconds

Scalepack Scaling

Deleted observations

Rejected  57
Zero sigma or profile test   1
Overload or incomplete profile 340
Sigma cutoff   7
High resolution limit  39

Final Data Set

Scale factor range7.26-10.98
Number of 'full' reflections  4175
Number of 'partial' reflections  5114
Total number of integrated reflections  8886
Total number of unique reflections  1635
Data completeness  99.9%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   32.6
Average Sigma(I)    1.8
Overall R-merge (linear)  0.096

Sadabs Results

Parameter refinement on 6487 reflections reduced R(int) from 0.0959 to 0.0669

Before rejection, 8701 reflections total and 1647 unique

After rejection, 8560 reflections total and 1647 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.8  0.0758   0.819 - 1.058   0.914 - 1.157   1.448    5039    4045
    2  -11.2  0.0910   0.768 - 0.920   0.934 - 1.079   1.500     545     392
    3  -11.2  0.0992   0.750 - 0.929   0.928 - 1.128   1.525     996     726
    4   11.2  0.1038   0.664 - 0.978   0.923 - 1.074   1.515    1980    1445
Ratio of minimum to maximum apparent transmission: 0.790002

Metadata

  Group    Mike Hursthouse  
  Operator   Sam Callear  
  Sample Owner     
  Local Code   wp6 b8  
  Formula   C14H17O3N1S1  
  Crystal Colour    Colourless  
  Crystal Habit    Plate  
  Crystal Size   0.07 x 0.05 x 0.01 (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/