Summary report for Directory: diska/06skc0005

Report generated Feb 23, 2006; 14:24:26

Unit cell

2981 reflections with 0.41°<theta<27.48° (resolution between 50.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack p1

a (Angstrom) 7.3681 +/- 0.0004

b (Angstrom) 9.0495 +/- 0.0003

c (Angstrom) 10.7488 +/- 0.0005

alpha (°) 76.548 +/- 0.003

beta (°) 80.395 +/- 0.002

gamma (°) 76.931 +/- 0.003

Volume (A**3) 674.03 +/- 0.05
Mosaicity (°) 0.558 +/- 0.003

Symmetry used in scalepack	p1
a (Angstrom)	7.3681 +/- 0.0004
b (Angstrom)	9.0495 +/- 0.0003
c (Angstrom)	10.7488 +/- 0.0005
alpha (°)	76.548 +/- 0.003
beta (°)	80.395 +/- 0.002
gamma (°)	76.931 +/- 0.003
Volume (A**3)	674.03 +/- 0.05
Mosaicity (°)	0.558 +/- 0.003

Data collection

Summary

Total number of images collected	337
Total exposure time	5.6 hours
Data collection exposure time	5.5 hours
Data collection wall-clock time	5.9 hours

Experimental Conditions

Wavelength	0.71073 A
Crystal to detector distance	31.00 mm

Scans

Type	Name	# images	Total Rotation	Per frame Rotation	Exposure per frame	Used in scaling
data collection	s01f	181	`362.0`° phi	2.000°	60 seconds	Yes
data collection	s02f	16	`32.0`° omega	2.000°	60 seconds	Yes
data collection	s03f	55	`110.0`° omega	2.000°	60 seconds	Yes
data collection	s04f	23	`46.0`° omega	2.000°	60 seconds	Yes
data collection	s05f	54	`108.0`° omega	2.000°	60 seconds	Yes
Phi/Chi	i01f - i08f	8			30 seconds

Scalepack Scaling

Deleted observations

Rejected	`304`
Zero sigma or profile test	`5`
Overload or incomplete profile	`544`
Sigma cutoff	`24`
High resolution limit	`855`

Final Data Set

Scale factor range	6.80-10.55
Number of 'full' reflections	`9018`
Number of 'partial' reflections	`6254`
Total number of integrated reflections	`14617`
Total number of unique reflections	`3036`
Data completeness	`99.9%`
Resolution range	50.00-0.77 A
Theta range	0.41°-27.48°
Average Intensity	`53.9`
Average Sigma(I)	`2.4`
Overall R-merge (linear)	`0.087`

Sadabs Results

Parameter refinement on 8413 reflections reduced R(int) from 0.1711 to 0.0588

Before rejection, 15313 reflections total and 3341 unique

After rejection, 14759 reflections total and 3334 unique

Runs

  Run 2-theta  R(int)  Incid. factors  Diffr. factors    K     Total I>2sig(I)
    1    8.3  0.0786   0.806 - 1.752   0.902 - 1.202   1.423    8169    4719
    2   -7.8  0.0657   0.443 - 0.491   0.942 - 1.143   1.334     641     421
    3   -7.8  0.0694   0.458 - 0.619   0.942 - 1.074   1.363    2514    1586
    4   -7.8  0.0814   1.351 - 1.617   0.942 - 1.192   1.477     978     528
    5   -7.8  0.0774   0.637 - 0.769   0.900 - 1.192   1.355    2457    1472

Ratio of minimum to maximum apparent transmission: 0.748897

Metadata

Group Mike Hursthouse

Operator Sam Callear

Sample Owner

Local Code wp5 b6

Formula C12H20O4N2

Crystal Colour Colourless

Crystal Habit Fragment

Crystal Size 0.09 x 0.07 x 0.02 (mm3)

Temperature 120(K)

Generator 50 (kV) 85 (mA)

Primary Solvent

Other Solvents

Group	Mike Hursthouse
Operator	Sam Callear
Sample Owner
Local Code	wp5 b6
Formula	C12H20O4N2
Crystal Colour	Colourless
Crystal Habit	Fragment
Crystal Size	0.09 x 0.07 x 0.02 (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    '10cm confocal mirrors'
_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/