EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: diska/2010src0793

Report generated Aug 17, 2010; 15:47:24

Unit cell

9733 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p1
a (Angstrom)8.1168 +/- 0.0004
b (Angstrom)9.2556 +/- 0.0004
c (Angstrom)9.3927 +/- 0.0003
alpha (°)62.290 +/- 0.002
beta (°)80.933 +/- 0.003
gamma (°)72.180 +/- 0.002
Volume (A**3)594.64 +/- 0.05
Mosaicity (°)0.652 +/- 0.003

Data collection

Summary

Total number of images collected329
Total exposure time110.1 minutes
Data collection exposure time108.7 minutes
Data collection wall-clock time139.3 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance31.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f181362.0° phi2.000°20 secondsYes
data collections02f13 26.0° omega2.000°20 secondsYes
data collections03f24 48.0° omega2.000°20 secondsYes
data collections04f52104.0° omega2.000°20 secondsYes
data collections05f51102.0° omega2.000°20 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected   1
Zero sigma or profile test   3
Overload or incomplete profile 372
Sigma cutoff 142
High resolution limit  17

Final Data Set

Scale factor10.00
Number of 'full' reflections  6578
Number of 'partial' reflections  5507
Total number of integrated reflections 11435
Total number of unique reflections  2737
Data completeness  99.2%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   68.9
Average Sigma(I)    2.0
Overall R-merge (linear)  0.127

Sadabs Results

Parameter refinement on 8590 reflections reduced R(int) from 0.1128 to 0.0494

Before rejection, 11360 reflections total and 2750 unique

After rejection, 10051 reflections total and 2737 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.7  0.0532   0.943 - 1.334   0.985 - 1.101   2.107    5728    4368
    2   11.1  0.0537   0.434 - 0.465   0.990 - 1.064   2.118     339     242
    3   11.1  0.0490   0.347 - 0.374   0.987 - 1.070   2.137     732     572
    4   11.1  0.0463   0.985 - 1.521   0.985 - 1.067   2.046    1642    1277
    5   11.1  0.0479   0.628 - 1.032   0.987 - 1.083   2.012    1610    1216
Ratio of minimum to maximum apparent transmission: 0.894891

Metadata

  Group    Service  
  Operator   Graham Tizzard  
  Sample Owner   Dr J Spencer  
  Local Code   GRE.Js2  
  Formula   C16H13N1O1  
  Crystal Colour    Yellow  
  Crystal Habit    Fragment  
  Crystal Size   0.12 x 0.08 x 0.05 (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 2007/2 (Sheldrick, G.M., 2007)'

_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 APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method          '\f & \w scans'
_diffrn_detector_area_resol_mean   '4096x4096pixels / 62x62mm'

_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. (2007). SADABS. Version 2007/2. 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/