EPSRC National Crystallography Service
Data Collection Summary kccd1 (dellboy)


Summary report for Directory: diska/04src0551

Report generated Jul 12, 2004; 13:55:20

Unit cell

3565 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)24.6139 +/- 0.0006
b (Angstrom)9.3409 +/- 0.0003
c (Angstrom)15.3045 +/- 0.0004
alpha (°) 90.000
beta (°)123.2816 +/- 0.0014
gamma (°) 90.000
Volume (A**3)2941.62 +/- 0.15
Mosaicity (°)0.390 +/- 0.002

Data collection

Summary

Total number of images collected264
Total exposure time130.3 minutes
Data collection exposure time128.9 minutes
Data collection wall-clock time155.5 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 collections01f123246.0° phi2.000°30 secondsYes
data collections02f23 46.0° omega2.000°30 secondsYes
data collections03f55110.0° omega2.000°30 secondsYes
data collections04f55110.0° omega2.000°30 secondsYes
Phi/Chii01f - i08f810 seconds

Scalepack Scaling

Deleted observations

Rejected  97
Zero sigma or profile test   2
Overload or incomplete profile 624
Sigma cutoff  10
High resolution limit  17

Final Data Set

Scale factor range9.39-10.37
Number of 'full' reflections 19782
Number of 'partial' reflections  8075
Total number of integrated reflections 27027
Total number of unique reflections  3574
Data completeness 100.0%
Resolution range7.00-0.77 A
Theta range2.91°-27.48°
Average Intensity   19.8
Average Sigma(I)    0.9
Overall R-merge (linear)  0.065

Sadabs Results

Parameter refinement on 17452 reflections reduced R(int) from 0.0691 to 0.0477

Before rejection, 26638 reflections total and 3583 unique

After rejection, 26433 reflections total and 3581 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    7.4  0.0632   0.971 - 1.098   0.954 - 1.163   1.184   12894    9155
    2   -6.8  0.0611   1.010 - 1.100   0.968 - 1.162   1.154    2237    1534
    3   -6.8  0.0627   1.078 - 1.201   0.954 - 1.093   1.186    5643    4020
    4   -6.8  0.0616   0.598 - 0.681   0.954 - 1.141   1.169    5659    3985
Ratio of minimum to maximum apparent transmission: 0.820187

Metadata

  Group    Service  
  Operator   Peter Horton  
  Sample Owner   Dr. I. R. Butler  
  Local Code   OMDiP  
  Formula   C30 H52 P2 Fe1  
  Crystal Colour    Orange  
  Crystal Habit    Plate  
  Crystal Size   0.32 x 0.22 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/