EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/2007src0259

Report generated Feb 23, 2007; 11:00:53

Unit cell

9129 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)9.7832 +/- 0.0002
b (Angstrom)10.0419 +/- 0.0002
c (Angstrom)11.5982 +/- 0.0002
alpha (°) 90.000
beta (°)109.2278 +/- 0.0010
gamma (°) 90.000
Volume (A**3)1075.87 +/- 0.04
Mosaicity (°)0.4080 +/- 0.0010

Data collection

Summary

Total number of images collected213
Total exposure time70.4 minutes
Data collection exposure time69.1 minutes
Data collection wall-clock time85.5 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 collections01f96192.0° phi2.000°20 secondsYes
data collections02f55110.0° omega2.000°20 secondsYes
data collections03f54108.0° omega2.000°20 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected  83
Overload or incomplete profile 484
Sigma cutoff  11
High resolution limit   7

Final Data Set

Scale factor range10.00-13.00
Number of 'full' reflections 11462
Number of 'partial' reflections  4823
Total number of integrated reflections 15433
Total number of unique reflections  2592
Data completeness  99.5%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity  558.5
Average Sigma(I)    9.5
Overall R-merge (linear)  0.027

Sadabs Results

Parameter refinement on 15209 reflections reduced R(int) from 0.0701 to 0.0261

Before rejection, 15582 reflections total and 2606 unique

After rejection, 15417 reflections total and 2600 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0258   0.934 - 1.055   0.967 - 1.109   1.484    7204    7046
    2    6.8  0.0242   0.966 - 1.068   0.967 - 1.054   1.414    4162    4093
    3    6.8  0.0255   0.812 - 1.016   0.967 - 1.032   1.376    4051    3983
Ratio of minimum to maximum apparent transmission: 0.871888

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Prof Davies  
  Local Code   306-721-1  
  Formula   C18H25ClN5O2P3  
  Crystal Colour    Colourless  
  Crystal Habit    Prism  
  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/