EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/2005src0805

Report generated Jun 24, 2005; 13:22:02

Unit cell

3695 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
c2
a (Angstrom)22.3373 +/- 0.0006
b (Angstrom)11.3994 +/- 0.0004
c (Angstrom)15.5860 +/- 0.0004
alpha (°) 90.000
beta (°)128.1586 +/- 0.0014
gamma (°) 90.000
Volume (A**3)3120.60 +/- 0.17
Mosaicity (°)0.568 +/- 0.002

Data collection

Summary

Total number of images collected250
Total exposure time82.9 minutes
Data collection exposure time81.6 minutes
Data collection wall-clock time102.0 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 collections01f131262.0° phi2.000°20 secondsYes
data collections02f55110.0° omega2.000°20 secondsYes
data collections03f56112.0° omega2.000°20 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected 117
Zero sigma or profile test   4
Overload or incomplete profile 712
Sigma cutoff   7
High resolution limit  95

Final Data Set

Scale factor range9.51-10.33
Number of 'full' reflections 13813
Number of 'partial' reflections  9270
Total number of integrated reflections 22465
Total number of unique reflections  3741
Data completeness 100.0%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   63.4
Average Sigma(I)    2.0
Overall R-merge (linear)  0.054

Sadabs Results

Parameter refinement on 16634 reflections reduced R(int) from 0.0668 to 0.0483

Before rejection, 22131 reflections total and 3768 unique

After rejection, 21886 reflections total and 3768 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.8  0.0535   0.866 - 0.964   0.929 - 1.137   1.405   11700    9074
    2  -11.2  0.0523   0.896 - 1.030   0.928 - 1.112   1.419    5045    3877
    3  -11.2  0.0528   0.824 - 0.967   0.965 - 1.155   1.371    5141    3923
Ratio of minimum to maximum apparent transmission: 0.803397

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. A. G.W. Hodson  
  Local Code   CROIN  
  Formula   C19 H13 N2 O4 Cl1 Mo1  
  Crystal Colour    Red  
  Crystal Habit    Block  
  Crystal Size   0.12 x 0.07 x 0.04 (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/