EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/04src0544

Report generated Jul 09, 2004; 08:26:02

Unit cell

5568 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)13.7375 +/- 0.0003
b (Angstrom)12.3538 +/- 0.0003
c (Angstrom)13.8158 +/- 0.0003
alpha (°) 90.000
beta (°)90.2174 +/- 0.0012
gamma (°) 90.000
Volume (A**3)2344.67 +/- 0.09
Mosaicity (°)0.4120 +/- 0.0010

Data collection

Summary

Total number of images collected338
Total exposure time13.9 hours
Data collection exposure time13.8 hours
Data collection wall-clock time14.6 hours

Experimental Conditions

Wavelength0.71073 A
Crystal to detector distance35.00 mm

Scans

TypeName# imagesTotal
Rotation
Per frame
Rotation
Exposure
per frame
Used in
scaling
data collections01f181271.5° phi1.500°150 secondsYes
data collections02f22 33.0° omega1.500°150 secondsYes
data collections03f80120.0° omega1.500°150 secondsYes
data collections04f47 70.5° omega1.500°150 secondsYes
Phi/Chii01f - i08f840 seconds

Scalepack Scaling

Deleted observations

Rejected 131
Zero sigma or profile test   9
Overload or incomplete profile 938
Sigma cutoff  16
High resolution limit  45

Final Data Set

Scale factor range10.00-10.85
Number of 'full' reflections 21570
Number of 'partial' reflections 13393
Total number of integrated reflections 33938
Total number of unique reflections  5598
Data completeness 100.0%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   32.4
Average Sigma(I)    1.2
Overall R-merge (linear)  0.046

Sadabs Results

Parameter refinement on 21989 reflections reduced R(int) from 0.0790 to 0.0352

Before rejection, 33564 reflections total and 5615 unique

After rejection, 33204 reflections total and 5611 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   11.8  0.0454   0.834 - 0.959   0.973 - 1.124   1.150   18460   13371
    2  -11.2  0.0451   1.087 - 1.153   0.984 - 1.158   1.178    2022    1396
    3  -11.2  0.0449   1.105 - 1.249   0.970 - 1.147   1.166    8069    5810
    4  -11.2  0.0477   0.847 - 0.894   0.970 - 1.140   1.143    4653    3271
Ratio of minimum to maximum apparent transmission: 0.838178

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. C. D. Gabbutt  
  Local Code   NAR2-59  
  Formula   C29 H25 N1 O5 S1  
  Crystal Colour    Yellow  
  Crystal Habit    Shard  
  Crystal Size   0.16 x 0.14 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    '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/