EPSRC
National Crystallography Service |
Data Collection Summary kccd1
(dellboy) |
Summary report for Directory: diska/2007src0325
Report generated Mar 15, 2007; 08:23:00
Unit cell
3121 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) | 11.0751 +/- 0.0002 |
b (Angstrom) | 4.94400 +/- 0.00010 |
c (Angstrom) | 22.8469 +/- 0.0005 |
alpha (°) | 90.000 |
beta (°) | 97.5562 +/- 0.0011 |
gamma (°) | 90.000 |
Volume (A**3) | 1240.13 +/- 0.04 |
---|
Mosaicity (°) | 0.3460 +/- 0.0010 |
Data collection
Summary
Total number of images collected | 447 |
Total exposure time | 9.8 hours |
Data collection exposure time | 9.8 hours |
Data collection wall-clock time | 10.4 hours |
Experimental Conditions
Wavelength | 0.71073 A |
Crystal to detector distance | 30.00 mm |
Scans
Type | Name | # images | Total Rotation | Per frame Rotation | Exposure per frame | Used in scaling |
data collection | s01f | 226 | 226.0° phi | 1.000° | 80 seconds | Yes |
data collection | s02f | 33 | 33.0° omega | 1.000° | 80 seconds | Yes |
data collection | s03f | 70 | 70.0° omega | 1.000° | 80 seconds | Yes |
data collection | s04f | 110 | 110.0° omega | 1.000° | 80 seconds | Yes |
Phi/Chi | i01f - i08f | 8 | | | 20 seconds |
Scalepack Scaling
Deleted observations
Rejected | 57 |
Zero sigma or profile test | 2 |
Overload or incomplete profile | 528 |
Sigma cutoff | 52 |
High resolution limit | 16 |
Final Data Set
Scale factor range | 10.00-14.47 |
Number of 'full' reflections | 10384 |
Number of 'partial' reflections | 10041 |
Total number of integrated reflections | 19218 |
Total number of unique reflections | 3184 |
Data completeness | 99.8% |
Resolution range | 7.00-0.77 A |
Theta range | 2.91°-27.48° |
Average Intensity | 58.3 |
Average Sigma(I) | 2.0 |
Overall R-merge (linear) | 0.058 |
Sadabs Results
Parameter refinement on 12247 reflections reduced R(int) from 0.0941 to 0.0457
Before rejection, 19793 reflections total and 3193 unique
After rejection, 19578 reflections total and 3191 unique
Runs
Run 2-theta R(int) Incid. factors Diffr. factors K Total I>2sig(I)
1 7.4 0.0601 0.838 - 1.012 0.923 - 1.319 1.191 10040 6632
2 -6.8 0.0572 0.672 - 0.748 0.981 - 1.243 1.152 1431 992
3 -6.8 0.0575 0.603 - 0.793 0.902 - 1.281 1.121 3091 2148
4 4.8 0.0506 0.847 - 1.230 0.894 - 1.212 1.183 5016 3432
Ratio of minimum to maximum apparent transmission: 0.677578
Metadata
  Group   | Service   |
  Operator   | Simon Coles   |
  Sample Owner   | Blagden   |
  Local Code   | DbSN11   |
  Formula   | C6H6N2O   |
  Crystal Colour   | Colourless   |
  Crystal Habit   | Blade   |
  Crystal Size   | 0.45 x 0.03 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 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/