EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/2006src1540

Report generated Jan 11, 2007; 16:15:20

Unit cell

7186 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)14.2193 +/- 0.0003
b (Angstrom)10.2940 +/- 0.0003
c (Angstrom)20.6728 +/- 0.0005
alpha (°) 90.000
beta (°)95.2704 +/- 0.0012
gamma (°) 90.000
Volume (A**3)3013.16 +/- 0.13
Mosaicity (°)0.4640 +/- 0.0010

Data collection

Summary

Total number of images collected379
Total exposure time114.7 minutes
Data collection exposure time113.3 minutes
Data collection wall-clock time142.0 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance42.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f168252.0° phi1.500°18 secondsYes
data collections02f19 28.5° omega1.500°18 secondsYes
data collections03f43 64.5° omega1.500°18 secondsYes
data collections04f83124.5° omega1.500°18 secondsYes
data collections05f58 87.0° omega1.500°18 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected 807
Zero sigma or profile test   1
Overload or incomplete profile1280
Sigma cutoff 463
High resolution limit 158

Final Data Set

Scale factor range8.04-15.03
Number of 'full' reflections 21251
Number of 'partial' reflections 15049
Total number of integrated reflections 34343
Total number of unique reflections  7244
Data completeness  99.9%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity  118.6
Average Sigma(I)    2.6
Overall R-merge (linear)  0.050

Sadabs Results

Parameter refinement on 27449 reflections reduced R(int) from 0.1047 to 0.0450

Before rejection, 35230 reflections total and 7304 unique

After rejection, 31275 reflections total and 7288 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   20.2  0.0473   0.999 - 1.210   0.979 - 1.077   2.142   14117   11037
    2   17.3  0.0437   0.503 - 0.595   0.979 - 1.107   2.117    1476    1130
    3   19.6  0.0407   0.572 - 0.699   0.979 - 1.094   2.095    3587    2704
    4   19.6  0.0423   0.733 - 1.290   0.983 - 1.065   2.048    7175    5624
    5   19.6  0.0403   0.653 - 0.872   0.981 - 1.054   2.124    4920    3738
Ratio of minimum to maximum apparent transmission: 0.884107

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. M. A. Beckett  
  Local Code   MAB/SD03/BANGOR  
  Formula   C31 H30 N1 O4 B3  
  Crystal Colour    Colourless  
  Crystal Habit    Blade  
  Crystal Size   0.38 x 0.15 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/