EPSRC National Crystallography Service
Data Collection Summary kccd2 (damien)


Summary report for Directory: home/diska/2008src0008

Report generated Jan 10, 2008; 13:03:55

Unit cell

12874 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack
c2
a (Angstrom)32.138 +/- 0.002
b (Angstrom)8.5084 +/- 0.0006
c (Angstrom)11.6735 +/- 0.0005
alpha (°) 90.000
beta (°)110.275 +/- 0.003
gamma (°) 90.000
Volume (A**3)2994.2 +/- 0.3
Mosaicity (°)0.642 +/- 0.003

Data collection

Summary

Total number of images collected270
Total exposure time107.6 minutes
Data collection exposure time106.2 minutes
Data collection wall-clock time116.5 minutes

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 collections01f118236.0° phi2.000°24 secondsYes
data collections02f50100.0° omega2.000°24 secondsYes
data collections03f55110.0° omega2.000°24 secondsYes
data collections04f39 78.0° omega2.000°24 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected   4
Zero sigma or profile test 569
Overload or incomplete profile 562
Sigma cutoff 949
High resolution limit  47

Final Data Set

Scale factor10.00
Number of 'full' reflections 11686
Number of 'partial' reflections  9608
Total number of integrated reflections 19049
Total number of unique reflections  3639
Data completeness  99.6%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   11.9
Average Sigma(I)    1.1
Overall R-merge (linear)  0.412

Sadabs Results

Parameter refinement on 8658 reflections reduced R(int) from 0.2913 to 0.0851

Before rejection, 19666 reflections total and 3665 unique

After rejection, 16182 reflections total and 3628 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1   15.1  0.1490   0.609 - 1.396   0.958 - 1.465   2.103    7360    2956
    2   14.6  0.1079   0.509 - 0.933   0.965 - 1.233   1.902    3006    1418
    3   14.6  0.1033   0.536 - 1.293   0.957 - 1.360   1.932    3372    1587
    4   14.6  0.3471   0.378 - 0.735   0.957 - 1.170   2.229    2444     607
Ratio of minimum to maximum apparent transmission: 0.652966

Metadata

  Group    Service  
  Operator   Simon Coles  
  Sample Owner   Davies  
  Local Code   307-512-1  
  Formula   C14H29Cl2N9O7P6  
  Crystal Colour    Colourless  
  Crystal Habit    Plate  
  Crystal Size   0.14 x 0.04 x 0.01 (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 2007/2 (Sheldrick, G.M., 2007)'

_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 APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method          '\f & \w scans'
_diffrn_detector_area_resol_mean   '4096x4096pixels / 62x62mm'

_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. (2007). SADABS. Version 2007/2. 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/