EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2007src0399

Report generated Mar 17, 2007; 09:39:03

Unit cell

3334 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
c2
a (Angstrom)14.6356 +/- 0.0002
b (Angstrom)16.3493 +/- 0.0002
c (Angstrom)12.34430 +/- 0.00010
alpha (°) 90.000
beta (°)107.4546 +/- 0.0008
gamma (°) 90.000
Volume (A**3)2817.76 +/- 0.06
Mosaicity (°)0.3540 +/- 0.0010

Data collection

Summary

Total number of images collected500
Total exposure time8.3 hours
Data collection exposure time8.2 hours
Data collection wall-clock time8.9 hours

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance30.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f280280.0° phi1.000°60 secondsYes
data collections02f34 34.0° omega1.000°60 secondsYes
data collections03f46 46.0° omega1.000°60 secondsYes
data collections04f33 33.0° omega1.000°60 secondsYes
data collections05f99 99.0° omega1.000°60 secondsYes
Phi/Chii01f - i08f820 seconds

Scalepack Scaling

Deleted observations

Rejected 470
Overload or incomplete profile 712
Sigma cutoff  28
High resolution limit  32

Final Data Set

Scale factor range9.51-13.05
Number of 'full' reflections 12878
Number of 'partial' reflections 12503
Total number of integrated reflections 23889
Total number of unique reflections  3339
Data completeness 100.0%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity  129.1
Average Sigma(I)    3.2
Overall R-merge (linear)  0.056

Sadabs Results

Parameter refinement on 22399 reflections reduced R(int) from 0.1132 to 0.0553

Before rejection, 24902 reflections total and 3348 unique

After rejection, 24343 reflections total and 3346 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0583   0.812 - 1.063   0.859 - 1.308   1.251   13872   12733
    2   -6.8  0.0474   0.625 - 0.703   0.968 - 1.168   1.184    1644    1506
    3   -6.8  0.0441   0.791 - 0.981   0.880 - 1.159   1.117    2290    2135
    4   -6.8  0.0459   0.626 - 0.757   0.859 - 1.063   1.157    1601    1489
    5    6.8  0.0594   0.808 - 0.935   0.906 - 1.445   1.213    4936    4546
Ratio of minimum to maximum apparent transmission: 0.594288

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Davies  
  Local Code   307-MAG-12-04  
  Formula     
  Crystal Colour    Colourless  
  Crystal Habit    Needle  
  Crystal Size   0.5 x 0.02 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    'graphite'
_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/