EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/04src0851

Report generated Oct 11, 2004; 13:53:01

Unit cell

4038 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p2
a (Angstrom)11.2436 +/- 0.0005
b (Angstrom)20.2184 +/- 0.0013
c (Angstrom)11.4481 +/- 0.0007
alpha (°) 90.000
beta (°)109.722 +/- 0.004
gamma (°) 90.000
Volume (A**3)2449.8 +/- 0.2
Mosaicity (°)1.849 +/- 0.003

Data collection

Summary

Total number of images collected232
Total exposure time76.2 minutes
Data collection exposure time75.5 minutes
Data collection wall-clock time93.3 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance35.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f181362.0° phi2.000°20 secondsYes
data collections02f16 32.0° omega2.000°20 secondsYes
data collections03f27 54.0° omega2.000°20 secondsYes
Phi/Chii01f - i08f85 seconds

Scalepack Scaling

Deleted observations

Rejected 491
Overload or incomplete profile1678
Sigma cutoff  72
High resolution limit  16

Final Data Set

Scale factor range6.33-11.43
Number of 'full' reflections   598
Number of 'partial' reflections 26634
Total number of integrated reflections 19099
Total number of unique reflections  4616
Data completeness  78.9%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity  149.2
Average Sigma(I)    5.4
Overall R-merge (linear)  0.064

Sadabs Results

Parameter refinement on 23459 reflections reduced R(int) from 0.2212 to 0.0723

Before rejection, 27446 reflections total and 5632 unique

After rejection, 25957 reflections total and 5623 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.8  0.0690   0.630 - 1.219   0.756 - 1.325   1.537   21366   18921
    2  -11.2  0.0730   0.560 - 0.604   0.946 - 1.303   1.499    1686    1551
    3  -11.2  0.1137   0.649 - 0.811   0.819 - 1.315   1.734    2905    2373
Ratio of minimum to maximum apparent transmission: 0.570840

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Bedford  
  Local Code   MEB 7.16A  
  Formula   C46H27ClO6P2Pd  
  Crystal Colour    Colourless  
  Crystal Habit    Shard  
  Crystal Size   0.18 x 0.08 x 0.02 (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/