EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/2005sjc0007

Report generated Apr 03, 2005; 12:57:38

Unit cell

1662 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p222
a (Angstrom)8.8265 +/- 0.0002
b (Angstrom)10.6191 +/- 0.0003
c (Angstrom)13.4494 +/- 0.0004
alpha (°) 90.000
beta (°) 90.000
gamma (°) 90.000
Volume (A**3)1260.61 +/- 0.06
Mosaicity (°)0.563 +/- 0.002

Data collection

Summary

Total number of images collected198
Total exposure time39.4 minutes
Data collection exposure time38.7 minutes
Data collection wall-clock time54.5 minutes

Experimental Conditions

Wavelength0.71073 A
Cryostat setting274.00K
Crystal to detector distance30.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f93186.0° phi2.000°12 secondsYes
data collections02f23 46.0° omega2.000°12 secondsYes
data collections03f23 46.0° omega2.000°12 secondsYes
data collections04f51102.0° omega2.000°12 secondsYes
Phi/Chii01f - i08f85 seconds

Scalepack Scaling

Deleted observations

Rejected 117
Overload or incomplete profile 790
Sigma cutoff   8
High resolution limit   5

Final Data Set

Scale factor range9.48-14.00
Number of 'full' reflections 10662
Number of 'partial' reflections  7430
Total number of integrated reflections 17278
Total number of unique reflections  1675
Data completeness  99.6%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity  209.1
Average Sigma(I)    3.5
Overall R-merge (linear)  0.044

Sadabs Results

Parameter refinement on 14108 reflections reduced R(int) from 0.1738 to 0.0421

Before rejection, 16747 reflections total and 1683 unique

After rejection, 16478 reflections total and 1682 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0378   0.957 - 1.098   0.939 - 1.132   1.449    8087    6934
    2   -6.8  0.0582   0.676 - 0.813   0.973 - 1.250   1.419    1909    1598
    3   -6.8  0.0583   0.724 - 0.885   0.914 - 1.205   1.400    1904    1569
    4    3.8  0.0383   0.685 - 1.096   0.914 - 1.250   1.397    4578    3993
Ratio of minimum to maximum apparent transmission: 0.730644

Metadata

  Group    Personal  
  Operator   Simon Coles  
  Sample Owner   SJC  
  Local Code   2005sjc0007  
  Formula   C5H10Cl4N4P3  
  Crystal Colour    Colourless  
  Crystal Habit    Rod  
  Crystal Size   0.45 x 0.12 x 0.1 (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/