EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/04src0896r

Report generated Nov 02, 2004; 13:11:24

Unit cell

8435 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)12.7393 +/- 0.0009
b (Angstrom)26.485 +/- 0.002
c (Angstrom)16.3749 +/- 0.0013
alpha (°) 90.000
beta (°)95.732 +/- 0.004
gamma (°) 90.000
Volume (A**3)5497.2 +/- 0.7
Mosaicity (°)2.253 +/- 0.003

Data collection

Summary

Total number of images collected275
Total exposure time135.6 minutes
Data collection exposure time134.5 minutes
Data collection wall-clock time157.3 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance45.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f147294.0° phi2.000°30 secondsYes
data collections02f53106.0° omega2.000°30 secondsYes
data collections03f67134.0° omega2.000°30 secondsYes
Phi/Chii01f - i08f88 seconds

Scalepack Scaling

Deleted observations

Rejected 369
Zero sigma or profile test  79
Overload or incomplete profile2518
Sigma cutoff 110
High resolution limit 732

Final Data Set

Scale factor range7.02-10.78
Number of 'full' reflections     0
Number of 'partial' reflections 45413
Total number of integrated reflections 32293
Total number of unique reflections 11647
Data completeness  90.8%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   43.3
Average Sigma(I)    4.3
Overall R-merge (linear)  0.074

Sadabs Results

Parameter refinement on 27482 reflections reduced R(int) from 0.1692 to 0.0703

Before rejection, 50436 reflections total and 12989 unique

After rejection, 48147 reflections total and 12961 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   18.9  0.0960   0.741 - 0.965   0.843 - 1.564   1.459   30357   17909
    2   18.3  0.0776   0.744 - 0.859   0.924 - 1.260   1.418    7288    4731
    3  -18.3  0.1003   0.669 - 1.172   0.924 - 3.972   1.547   10502    5746
Ratio of minimum to maximum apparent transmission: 0.212314

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. R. B. Bedford  
  Local Code   MB 247B  
  Formula   C52 H47 O3 P4 F6 Pd Sb  
  Crystal Colour    Yellow  
  Crystal Habit   Cut Block  
  Crystal Size   0.17 x 0.08 x 0.06 (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/