EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/06skc0070

Report generated Nov 15, 2006; 10:32:49

Unit cell

3003 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)7.0491 +/- 0.0004
b (Angstrom)16.4317 +/- 0.0009
c (Angstrom)11.3995 +/- 0.0005
alpha (°) 90.000
beta (°) 89.856
gamma (°) 90.000
Volume (A**3)1320.39 +/- 0.12
Mosaicity (°)0.833 +/- 0.003

Data collection

Summary

Total number of images collected233
Total exposure time77.6 minutes
Data collection exposure time76.2 minutes
Data collection wall-clock time86.6 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance34.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f132264.0° phi2.000°20 secondsYes
data collections02f13 26.0° omega2.000°20 secondsYes
data collections03f26 52.0° omega2.000°20 secondsYes
data collections04f54108.0° omega2.000°20 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected 563
Zero sigma or profile test   3
Overload or incomplete profile 500
Sigma cutoff 139
High resolution limit 206

Final Data Set

Scale factor range6.04-10.52
Number of 'full' reflections  7001
Number of 'partial' reflections  9108
Total number of integrated reflections 14627
Total number of unique reflections  3084
Data completeness  99.5%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   21.8
Average Sigma(I)    1.1
Overall R-merge (linear)  0.120

Sadabs Results

Parameter refinement on 12016 reflections reduced R(int) from 0.1599 to 0.0822

Before rejection, 15675 reflections total and 3147 unique

After rejection, 13321 reflections total and 3133 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   14.3  0.0906   0.719 - 1.275   0.977 - 1.170   2.021    7899    5958
    2   13.8  0.0874   0.386 - 0.415   0.987 - 1.120   2.101     647     466
    3   13.8  0.0985   0.422 - 0.555   0.988 - 1.109   2.118    1471     983
    4   13.8  0.0808   0.730 - 1.380   0.973 - 1.151   1.953    3304    2533
Ratio of minimum to maximum apparent transmission: 0.831467

Metadata

  Group    Mike Hursthouse  
  Operator   Sam Callear  
  Sample Owner     
  Local Code   wp15 c10  
  Formula   C12H15O3N2S1  
  Crystal Colour    Colourless  
  Crystal Habit    Needle  
  Crystal Size   0.18 x 0.17 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/