EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2005src0668

Report generated May 24, 2005; 14:39:21

Unit cell

4079 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
p222
a (Angstrom)13.6935 +/- 0.0002
b (Angstrom)14.0618 +/- 0.0002
c (Angstrom)16.9109 +/- 0.0003
alpha (°) 90.000
beta (°) 90.000
gamma (°) 90.000
Volume (A**3)3256.28 +/- 0.09
Mosaicity (°)0.3740 +/- 0.0010

Data collection

Summary

Total number of images collected200
Total exposure time33.6 minutes
Data collection exposure time32.7 minutes
Data collection wall-clock time51.1 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance30.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f138138.0° phi1.000°10 secondsYes
data collections02f54 54.0° omega1.000°10 secondsYes
Phi/Chii01f - i08f87 seconds

Scalepack Scaling

Deleted observations

Rejected 190
Zero sigma or profile test   2
Overload or incomplete profile 810
Sigma cutoff  14
High resolution limit  14

Final Data Set

Scale factor range8.13-10.03
Number of 'full' reflections 11139
Number of 'partial' reflections 11943
Total number of integrated reflections 22154
Total number of unique reflections  4177
Data completeness  99.9%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   80.3
Average Sigma(I)    2.4
Overall R-merge (linear)  0.034

Sadabs Results

Parameter refinement on 15823 reflections reduced R(int) from 0.0777 to 0.0318

Before rejection, 22161 reflections total and 4185 unique

After rejection, 21906 reflections total and 4182 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0341   0.837 - 1.077   0.944 - 1.113   1.277   15840   11838
    2   -6.8  0.0357   0.901 - 1.014   0.940 - 1.060   1.325    6066    4472
Ratio of minimum to maximum apparent transmission: 0.844811

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Cunningham  
  Local Code   STS-008  
  Formula   C20H18NO2Cl  
  Crystal Colour    Colourless  
  Crystal Habit    Block  
  Crystal Size   0.3 x 0.2 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 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    'graphite'
_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/