EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/2005src0284

Report generated Mar 15, 2005; 13:35:09

Unit cell

5803 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)10.1235 +/- 0.0004
b (Angstrom)15.4253 +/- 0.0004
c (Angstrom)15.8548 +/- 0.0005
alpha (°) 90.000
beta (°)90.513 +/- 0.002
gamma (°) 90.000
Volume (A**3)2475.75 +/- 0.14
Mosaicity (°)0.595 +/- 0.002

Data collection

Summary

Total number of images collected226
Total exposure time112.5 minutes
Data collection exposure time109.8 minutes
Data collection wall-clock time133.5 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 collections01f133266.0° phi2.000°30 secondsYes
data collections02f27 54.0° omega2.000°30 secondsYes
data collections03f58116.0° omega2.000°30 secondsYes
Phi/Chii01f - i08f820 seconds

Scalepack Scaling

Deleted observations

Rejected 156
Zero sigma or profile test   7
Overload or incomplete profile 904
Sigma cutoff  13
High resolution limit   5

Final Data Set

Scale factor range9.55-10.97
Number of 'full' reflections 19356
Number of 'partial' reflections 13517
Total number of integrated reflections 31941
Total number of unique reflections  5894
Data completeness  99.7%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   20.4
Average Sigma(I)    1.3
Overall R-merge (linear)  0.086

Sadabs Results

Parameter refinement on 19075 reflections reduced R(int) from 0.0723 to 0.0591

Before rejection, 31289 reflections total and 5897 unique

After rejection, 30827 reflections total and 5897 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.8  0.0800   0.883 - 1.018   0.953 - 1.242   1.343   18781   12509
    2   11.2  0.0835   0.617 - 0.657   0.948 - 1.233   1.359    3651    2416
    3  -11.2  0.0895   0.844 - 0.992   0.947 - 1.279   1.335    8395    5344
Ratio of minimum to maximum apparent transmission: 0.740238

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. S. Carling  
  Local Code   Lee131diamonds  
  Formula   C138 H120 O120 S72 Al8 Na18  
  Crystal Colour   Dark Red  
  Crystal Habit   Cut Shard  
  Crystal Size   0.11 x 0.08 x 0.05 (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/