EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2007src0260

Report generated Feb 27, 2007; 15:41:17

Unit cell

23272 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p4
a (Angstrom)9.4250 +/- 0.0002
b (Angstrom)9.4250 +/- 0.0002
c (Angstrom)42.3796 +/- 0.0010
alpha (°) 90.000
beta (°) 90.000
gamma (°) 90.000
Volume (A**3)3764.61 +/- 0.14
Mosaicity (°)0.4130 +/- 0.0010

Data collection

Summary

Total number of images collected544
Total exposure time182.0 minutes
Data collection exposure time180.6 minutes
Data collection wall-clock time228.9 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance50.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f137137.0° omega1.000°20 secondsYes
data collections02f148148.0° omega1.000°20 secondsYes
data collections03f109109.0° omega1.000°20 secondsYes
data collections04f142142.0° omega1.000°20 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected2985
Zero sigma or profile test1651
Overload or incomplete profile1212
Sigma cutoff 972
Low resolution limit   2
High resolution limit 121

Final Data Set

Scale factor range0.22-11.35
Number of 'full' reflections 13880
Number of 'partial' reflections 15976
Total number of integrated reflections 23702
Total number of unique reflections  4235
Data completeness  92.0%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   28.0
Average Sigma(I)    2.1
Overall R-merge (linear)  0.172

Sadabs Results

Parameter refinement on 20808 reflections reduced R(int) from 0.3473 to 0.0891

Before rejection, 32496 reflections total and 4467 unique

After rejection, 28882 reflections total and 4444 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    6.4  0.0873   1.460 - 1.852   0.897 - 1.149   1.381    7117    5872
    2   21.1  0.1956   1.300 - 2.027   0.925 - 1.261   1.423    4813    2494
    3   21.1  0.1065   0.441 - 0.552   0.925 - 1.395   1.223    7011    5080
    4   21.1  0.0920   0.478 - 0.557   0.952 - 2.197   1.294    9941    6988
Ratio of minimum to maximum apparent transmission: 0.408390

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Davies  
  Local Code   306-720  
  Formula   C15H17Cl2N4OP3  
  Crystal Colour    Colourless  
  Crystal Habit    Prism  
  Crystal Size   0.16 x 0.12 x 0.12 (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/