EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2005src0633

Report generated May 13, 2005; 08:20:07

Unit cell

9630 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)8.5597 +/- 0.0003
b (Angstrom)15.8654 +/- 0.0005
c (Angstrom)16.0164 +/- 0.0004
alpha (°)99.7427 +/- 0.0018
beta (°)96.411 +/- 0.002
gamma (°)91.1695 +/- 0.0014
Volume (A**3)2128.59 +/- 0.11
Mosaicity (°)0.593 +/- 0.002

Data collection

Summary

Total number of images collected337
Total exposure time16.5 hours
Data collection exposure time16.5 hours
Data collection wall-clock time17.6 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 collections01f181362.0° phi2.000°180 secondsYes
data collections02f17 34.0° omega2.000°180 secondsYes
data collections03f55110.0° omega2.000°180 secondsYes
data collections04f23 46.0° omega2.000°180 secondsYes
data collections05f53106.0° omega2.000°180 secondsYes
Phi/Chii01f - i08f830 seconds

Scalepack Scaling

Deleted observations

Rejected 555
Zero sigma or profile test   2
Overload or incomplete profile1268
Sigma cutoff  33
High resolution limit  22

Final Data Set

Scale factor range9.48-10.23
Number of 'full' reflections 29779
Number of 'partial' reflections 21713
Total number of integrated reflections 49411
Total number of unique reflections  9782
Data completeness  99.6%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   19.7
Average Sigma(I)    1.2
Overall R-merge (linear)  0.068

Sadabs Results

Parameter refinement on 27664 reflections reduced R(int) from 0.0932 to 0.0430

Before rejection, 49295 reflections total and 9798 unique

After rejection, 48359 reflections total and 9791 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0678   0.787 - 0.941   0.961 - 1.173   1.213   27082   16922
    2   -6.8  0.0658   1.301 - 1.421   0.991 - 1.114   1.163    2232    1407
    3   -6.8  0.0614   1.196 - 1.305   0.969 - 1.115   1.168    8088    5264
    4   -6.8  0.0619   1.234 - 1.329   0.965 - 1.149   1.166    3155    2048
    5   -6.8  0.0644   0.777 - 0.891   0.963 - 1.156   1.179    7802    4997
Ratio of minimum to maximum apparent transmission: 0.819872

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Lancaster  
  Local Code   AM521(b)  
  Formula   C30H29B2F15LiO4P  
  Crystal Colour    Colourless  
  Crystal Habit    Plate  
  Crystal Size   0.12 x 0.12 x 0.04 (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/