EPSRC National Crystallography Service

Data Collection Summary

Summary report for Directory: diska/02src183

Report generated Apr 15, 2002; 14:20:32

Unit cell

9646 reflections with 1.00°<theta<27.48° (resolution between 20.40A and 0.77A) were used for unit cell refinement
 
 
Symmetry used
in scalepack
p2
a (Angstrom) 3.9283 +/- 0.0010
b (Angstrom) 18.273 +/- 0.004
c (Angstrom) 11.990 +/- 0.003
alpha (°) 90.000
beta (°) 97.462 +/- 0.010
gamma (°) 90.000
Volume (A**3) 853.4 +/- 0.4
Mosaicity (°) 2.902 +/- 0.014

Data collection

Summary

Total number of images collected 117
Total exposure time 57.3 minutes
Data collection exposure time 53.9 minutes
Data collection wall-clock time 69.1 minutes

Experimental Conditions

Wavelength 0.71073 A
Generator setting 50kV 85mA

Scans

Type Name # images Total
Rotation
Per frame
Rotation
Exposure
per frame
Detector
distance
Used in
scaling
cell determination i01f 10  10.0° phi 1.000° 20 seconds 45.00 mm No
data collection s01f 91 182.0° phi 2.000° 30 seconds 35.00 mm Yes
data collection s02f 16  32.0° omega 2.000° 30 seconds 35.00 mm Yes

Scalepack Scaling

Deleted observations

Zero sigma or profile test   73
Overload or incomplete profile  319
Sigma cutoff   62
High resolution limit   71

Final Data Set

Scale factor 10.00
Number of 'full' reflections      0
Number of 'partial' reflections  14509
Total number of integrated reflections   3211
Total number of unique reflections   1507
Data completeness   75.3%
Resolution range 20.40-0.77 A
Theta range 1.00°-27.48°
Average Intensity    22.5
Average Sigma(I)     3.0
Overall R-merge (linear)   0.082

Crystal Information

Collection Temperature   120 K
Crystal Size  0.18 x 0.05 x 0.05
Crystal Colour  Colourless
Crystal Shape  Needle

 
 
 

SORTAV Absorption correction

Max Transmission Factor
1.05583 
Min Transmission Factor
0.91598 

N.B. The scaling summary is redundant as outliers are treated during the absorption correction using SORTAV. The quoted data completeness is for the stated resolution ranges, and the Overall R-merge is that before the absorption correction. The SORTAV transmission factors are based on a crude approximation and the expected formula (not always correct!). For more information visit the service web site at: http://www.soton.ac.uk/~xservice/