EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/04mbh0608

Report generated Jun 21, 2004; 10:22:24

Unit cell

3376 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)6.1296 +/- 0.0002
b (Angstrom)8.6933 +/- 0.0005
c (Angstrom)15.2080 +/- 0.0008
alpha (°)90.928 +/- 0.002
beta (°)91.377 +/- 0.003
gamma (°)99.733 +/- 0.003
Volume (A**3)798.32 +/- 0.07
Mosaicity (°)0.653 +/- 0.003

Data collection

Summary

Total number of images collected244
Total exposure time120.2 minutes
Data collection exposure time118.9 minutes
Data collection wall-clock time166.4 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 collections01f181362.0° phi2.000°30 secondsYes
data collections02f16 32.0° omega2.000°30 secondsYes
data collections03f16 32.0° omega2.000°30 secondsYes
data collections04f23 46.0° omega2.000°30 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected  38
Overload or incomplete profile 426
Sigma cutoff  24
High resolution limit   4

Final Data Set

Scale factor range7.82-10.65
Number of 'full' reflections  7529
Number of 'partial' reflections  6380
Total number of integrated reflections 12956
Total number of unique reflections  3596
Data completeness  98.7%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   62.6
Average Sigma(I)    2.3
Overall R-merge (linear)  0.038

Sadabs Results

Parameter refinement on 9297 reflections reduced R(int) from 0.0447 to 0.0304

Before rejection, 13132 reflections total and 3592 unique

After rejection, 12979 reflections total and 3590 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0335   1.010 - 1.264   0.914 - 1.188   1.258   10279    7875
    2   -7.3  0.0371   0.510 - 0.595   0.922 - 1.148   1.284     757     561
    3   -6.8  0.0376   0.604 - 0.666   0.926 - 1.056   1.234     766     568
    4   -6.8  0.0421   0.617 - 0.677   0.916 - 1.074   1.298    1177     899
Ratio of minimum to maximum apparent transmission: 0.768678

Metadata

  Group    Mike Hursthouse  
  Operator   Mike Hursthouse  
  Sample Owner     
  Local Code   TLT374c GH3,4  
  Formula     
  Crystal Colour    Colourless  
  Crystal Habit    Lath  
  Crystal Size   0.7 x 0.2 x 0.1 (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. SADABS - Bruker Nonius area detector scaling and absorption correction - V2.10

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/