EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2006src0701

Report generated Jun 02, 2006; 14:14:41

Unit cell

3562 reflections with 1.00°<theta<27.48° (resolution between 20.40A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p1
a (Angstrom)8.03340 +/- 0.00010
b (Angstrom)10.0789 +/- 0.0002
c (Angstrom)11.1829 +/- 0.0003
alpha (°)97.4515 +/- 0.0012
beta (°)111.0052 +/- 0.0012
gamma (°)103.9928 +/- 0.0013
Volume (A**3)796.46 +/- 0.03
Mosaicity (°)0.3770 +/- 0.0010

Data collection

Summary

Total number of images collected303
Total exposure time79.7 minutes
Data collection exposure time79.2 minutes
Data collection wall-clock time108.0 minutes

Experimental Conditions

Wavelength0.71073 A

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Detector
distance
Used in
scaling
cell determinationi01f10 10.0° phi1.000°3 seconds45.00 mmNo
data collections01f181362.0° phi2.000°16 seconds30.00 mmYes
data collections02f17 34.0° omega2.000°16 seconds30.00 mmYes
data collections03f23 46.0° omega2.000°16 seconds30.00 mmYes
data collections04f17 34.0° omega2.000°16 seconds30.00 mmYes
data collections05f55110.0° omega2.000°16 seconds30.00 mmYes

Scalepack Scaling

Deleted observations

Rejected 121
Overload or incomplete profile 550
Sigma cutoff   6

Final Data Set

Scale factor range9.66-11.17
Number of 'full' reflections 12446
Number of 'partial' reflections  4835
Total number of integrated reflections 16570
Total number of unique reflections  3659
Data completeness  99.5%
Resolution range20.40-0.77 A
Theta range1.00°-27.48°
Average Intensity  182.9
Average Sigma(I)    4.2
Overall R-merge (linear)  0.027

Sadabs Results

Parameter refinement on 13738 reflections reduced R(int) from 0.0618 to 0.0253

Before rejection, 16468 reflections total and 3657 unique

After rejection, 16286 reflections total and 3651 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0250   1.053 - 1.212   0.961 - 1.120   1.283   10291    8847
    2   -6.8  0.0248   0.441 - 0.459   0.961 - 1.073   1.167     853     745
    3   -6.8  0.0287   0.679 - 0.717   0.971 - 1.085   1.195    1204    1056
    4   -6.8  0.0215   0.931 - 0.966   0.971 - 1.036   1.203     872     751
    5   -6.8  0.0255   0.922 - 1.074   0.961 - 1.072   1.195    3066    2667
Ratio of minimum to maximum apparent transmission: 0.857974

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Davies  
  Local Code   306-133-A  
  Formula   C3H4BrCl4N4O4P3  
  Crystal Colour    Colourless  
  Crystal Habit    Slab  
  Crystal Size   0.38 x 0.2 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 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/