EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)

Summary report for Directory: diska/2007src1588

Report generated Nov 20, 2007; 17:15:14

Unit cell

16202 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)7.4019 +/- 0.0002
b (Angstrom)15.8155 +/- 0.0003
c (Angstrom)26.8034 +/- 0.0004
alpha (°)90.0237 +/- 0.0013
beta (°)89.9784 +/- 0.0012
gamma (°)90.0079 +/- 0.0010
Volume (A**3)3137.73 +/- 0.11
Mosaicity (°)0.3520 +/- 0.0010

Data collection

Summary

Total number of images collected432
Total exposure time101.2 minutes
Data collection exposure time100.4 minutes
Data collection wall-clock time137.2 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance40.00 mm

Scans

TypeName# imagesTotal
Rotation		Per frame
Rotation		Exposure
per frame		Used in
scaling
data collections01f181362.0° phi2.000°14 secondsYes
data collections02f17 34.0° omega2.000°14 secondsYes
data collections03f32 64.0° omega2.000°14 secondsYes
data collections04f17 34.0° omega2.000°14 secondsYes
data collections05f31 62.0° omega2.000°14 secondsYes
data collections06f36 72.0° omega2.000°14 secondsYes
data collections07f42 84.0° omega2.000°14 secondsYes
data collections08f68136.0° omega2.000°14 secondsYes
Phi/Chii01f - i08f86 seconds

Scalepack Scaling

Deleted observations

Rejected  62
Zero sigma or profile test   6
Overload or incomplete profile1706
Sigma cutoff 279
High resolution limit 948

Final Data Set

Scale factor10.00
Number of 'full' reflections 45925
Number of 'partial' reflections 15787
Total number of integrated reflections 57898
Total number of unique reflections 14139
Data completeness  98.9%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   65.0
Average Sigma(I)    2.5
Overall R-merge (linear)  0.108

Sadabs Results

Estimated minimum and maximum transmission: 0.6851 0.7456

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Prof WB Motherwell  
  Local Code   MOTHERWELL-LJ  
  Formula   C17H21NO4  
  Crystal Colour    Colourless  
  Crystal Habit    Block  
  Crystal Size   0.4 x 0.35 x 0.2 (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/