EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/05src0098

Report generated Jan 26, 2005; 16:27:25

Unit cell

6243 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)7.6771 +/- 0.0002
b (Angstrom)28.6835 +/- 0.0010
c (Angstrom)13.7836 +/- 0.0005
alpha (°) 90.000
beta (°)104.2832 +/- 0.0018
gamma (°) 90.000
Volume (A**3)2941.41 +/- 0.17
Mosaicity (°)0.551 +/- 0.002

Data collection

Summary

Total number of images collected286
Total exposure time142.0 minutes
Data collection exposure time140.0 minutes
Data collection wall-clock time162.1 minutes

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance45.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f178356.0° phi2.000°30 secondsYes
data collections02f16 32.0° omega2.000°30 secondsYes
data collections03f68136.0° omega2.000°30 secondsYes
data collections04f16 32.0° omega2.000°30 secondsYes
Phi/Chii01f - i08f815 seconds

Scalepack Scaling

Deleted observations

Rejected 167
Zero sigma or profile test   6
Overload or incomplete profile1290
Sigma cutoff  20
High resolution limit  26

Final Data Set

Scale factor range6.60-11.07
Number of 'full' reflections 21168
Number of 'partial' reflections 11859
Total number of integrated reflections 31048
Total number of unique reflections  6776
Data completeness  98.8%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   58.1
Average Sigma(I)    2.3
Overall R-merge (linear)  0.053

Sadabs Results

Parameter refinement on 21413 reflections reduced R(int) from 0.1145 to 0.0445

Before rejection, 31515 reflections total and 6816 unique

After rejection, 30912 reflections total and 6808 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   18.9  0.0526   0.806 - 1.132   0.950 - 1.140   1.417   19369   13983
    2  -18.3  0.0498   0.892 - 1.009   0.959 - 1.206   1.388    1370     984
    3  -18.3  0.0529   0.896 - 1.070   0.949 - 1.327   1.428    8367    5911
    4  -18.3  0.0491   0.905 - 0.982   0.964 - 1.215   1.391    1806    1252
Ratio of minimum to maximum apparent transmission: 0.715365

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. S. J. Lancaster  
  Local Code   OP3-113  
  Formula   C57 H53 N4 O2 Cl5 Ti2  
  Crystal Colour    Red  
  Crystal Habit    Shard  
  Crystal Size   0.19 x 0.13 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/