EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2009src0523

Report generated May 11, 2009; 17:26:17

Unit cell

33349 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p1
a (Angstrom)10.2479 +/- 0.0003
b (Angstrom)12.5527 +/- 0.0004
c (Angstrom)15.9489 +/- 0.0005
alpha (°)105.0624 +/- 0.0015
beta (°)106.8414 +/- 0.0016
gamma (°)101.4992 +/- 0.0017
Volume (A**3)1810.53 +/- 0.10
Mosaicity (°)0.708 +/- 0.002

Data collection

Summary

Total number of images collected330
Total exposure time88.4 minutes
Data collection exposure time87.0 minutes
Data collection wall-clock time126.1 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance32.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f181362.0° phi2.000°16 secondsYes
data collections02f17 34.0° omega2.000°16 secondsYes
data collections03f25 50.0° omega2.000°16 secondsYes
data collections04f17 34.0° omega2.000°16 secondsYes
data collections05f57114.0° omega2.000°16 secondsYes
data collections06f25 50.0° omega2.000°16 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected  35
Zero sigma or profile test   6
Overload or incomplete profile1110
Sigma cutoff  11
High resolution limit  79

Final Data Set

Scale factor10.00
Number of 'full' reflections 20341
Number of 'partial' reflections 19865
Total number of integrated reflections 38197
Total number of unique reflections  8292
Data completeness  99.9%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   45.4
Average Sigma(I)    1.9
Overall R-merge (linear)  0.072

Sadabs Results

Estimated minimum and maximum transmission: 0.6750 0.7456

Metadata

  Group    Service  
  Operator   Richard Stephenson  
  Sample Owner   Prof P.G Taylor  
  Local Code   EY231-Tol-Ac  
  Formula   C56H92F1N1O28Si8  
  Crystal Colour    Colourless  
  Crystal Habit    Plate  
  Crystal Size   0.6 x 0.4 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 2007/2 (Sheldrick, G.M., 2007)'

_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 Roper 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. (2007). SADABS. Version 2007/2. 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/