EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)

Summary report for Directory: diska/2006src0567

Report generated May 03, 2006; 17:10:14

Unit cell

1096 reflections with 1.00°<theta<27.48° (resolution between 20.40A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
a (Angstrom)14.8291 +/- 0.0010
b (Angstrom)6.0926 +/- 0.0003
c (Angstrom)15.4111 +/- 0.0012
alpha (°) 90.000
beta (°)109.502 +/- 0.003
gamma (°) 90.000
Volume (A**3)1312.48 +/- 0.15
Mosaicity (°)0.503 +/- 0.004

Data collection


Total number of images collected147
Total exposure time19.3 minutes
Data collection exposure time18.7 minutes
Data collection wall-clock time48.4 minutes

Experimental Conditions

Wavelength0.71073 A


TypeName# imagesTotal
Per frame
per frame
Used in
cell determinationi01f10 10.0° phi1.000°3 seconds45.00 mmNo
data collections01f-a15 30.0° phi2.000°8 seconds30.00 mmNo
data collections01f-b54108.0° phi2.000°8 seconds30.00 mmNo
data collections01f-c3  6.0° phi2.000°8 seconds30.00 mmNo
data collections01f-d10 20.0° phi2.000°8 seconds30.00 mmNo
data collections03f55110.0° omega2.000°8 seconds30.00 mmYes

Scalepack Scaling

Deleted observations

Rejected  94
Zero sigma or profile test   1
Overload or incomplete profile1244
Sigma cutoff  71
High resolution limit   1

Final Data Set

Scale factor range8.56-11.17
Number of 'full' reflections  3114
Number of 'partial' reflections  2001
Total number of integrated reflections  3740
Total number of unique reflections  1480
Data completeness  89.9%
Resolution range20.40-0.77 A
Theta range1.00°-27.48°
Average Intensity  329.1
Average Sigma(I)   13.5
Overall R-merge (linear)  0.055

Sadabs Results

Parameter refinement on 1390 reflections reduced R(int) from 0.1232 to 0.0452

Before rejection, 2381 reflections total and 1299 unique

After rejection, 2151 reflections total and 1263 unique


  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0441   0.472 - 0.506   0.926 - 1.463   2.163     400     315
    2   -7.3  0.0491   1.065 - 1.349   0.865 - 1.609   1.838    1751    1373
Ratio of minimum to maximum apparent transmission: 0.537717


  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Davies  
  Local Code   306-131-A  
  Formula   C4H8Cl4N3O2P3  
  Crystal Colour    Colourless  
  Crystal Habit    Block  
  Crystal Size   0.4 x 0.2 x 0.2 (mm3) 
  Temperature   120(K) 
  Generator   50 (kV)   85 (mA) 
  Primary Solvent     
  Other Solvents     

File Explanations

      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

'COLLECT (Hooft, R.W.W., 1998)'
'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
'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/