Summary report for Directory: diska/2009src0189

Report generated Feb 20, 2009; 15:20:14

Unit cell

7330 reflections with 2.91°<theta<27.48° (resolution between 7.00A and 0.77A) were used for unit cell refinement

Symmetry used
in scalepack p1

a (Angstrom) 7.7644 +/- 0.0002

b (Angstrom) 8.7396 +/- 0.0003

c (Angstrom) 9.6184 +/- 0.0003

alpha (°) 108.0280 +/- 0.0014

beta (°) 96.3460 +/- 0.0018

gamma (°) 107.6480 +/- 0.0016

Volume (A**3) 576.19 +/- 0.03
Mosaicity (°) 0.388 +/- 0.002

Symmetry used in scalepack	p1
a (Angstrom)	7.7644 +/- 0.0002
b (Angstrom)	8.7396 +/- 0.0003
c (Angstrom)	9.6184 +/- 0.0003
alpha (°)	108.0280 +/- 0.0014
beta (°)	96.3460 +/- 0.0018
gamma (°)	107.6480 +/- 0.0016
Volume (A**3)	576.19 +/- 0.03
Mosaicity (°)	0.388 +/- 0.002

Data collection

Summary

Total number of images collected	358
Total exposure time	36.7 minutes
Data collection exposure time	36.2 minutes
Data collection wall-clock time	85.1 minutes

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	181	`362.0`° phi	2.000°	6 seconds	Yes
data collection	s02f	23	`46.0`° omega	2.000°	6 seconds	Yes
data collection	s03f	33	`66.0`° omega	2.000°	6 seconds	Yes
data collection	s04f	39	`78.0`° omega	2.000°	6 seconds	Yes
data collection	s05f	23	`46.0`° omega	2.000°	6 seconds	Yes
data collection	s06f	51	`102.0`° omega	2.000°	6 seconds	Yes
Phi/Chi	i01f - i08f	8			3 seconds

Scalepack Scaling

Deleted observations

Rejected	`13`
Zero sigma or profile test	`1`
Overload or incomplete profile	`378`
Sigma cutoff	`1`
High resolution limit	`1`

Final Data Set

Scale factor	10.00
Number of 'full' reflections	`10811`
Number of 'partial' reflections	`4291`
Total number of integrated reflections	`14490`
Total number of unique reflections	`2651`
Data completeness	`99.3%`
Resolution range	7.00-0.77 A
Theta range	2.91°-27.48°
Average Intensity	`100.4`
Average Sigma(I)	`2.5`
Overall R-merge (linear)	`0.061`

Sadabs Results

Estimated minimum and maximum transmission: 0.6683 0.7456

Metadata

Group Service

Operator Sam Callear

Sample Owner Dr PJ Holliman

Local Code AcCNEs

Formula C12H8N2O4

Crystal Colour Colourless

Crystal Habit Block

Crystal Size 0.4 x 0.37 x 0.21 (mm3)

Temperature 120(K)

Generator 50 (kV) 85 (mA)

Primary Solvent

Other Solvents

Group	Service
Operator	Sam Callear
Sample Owner	Dr PJ Holliman
Local Code	AcCNEs
Formula	C12H8N2O4
Crystal Colour	Colourless
Crystal Habit	Block
Crystal Size	0.4 x 0.37 x 0.21 (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    'graphite'
_diffrn_measurement_device_type   'Bruker-Nonius Roper 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. (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/