EPSRC National Crystallography Service

Data Collection Summary

Summary report for Directory: diska/01sot003

Report generated Jan 23, 2001; 11:28:38

Unit cell

35413 reflections with 1.02°<theta<30.51° (resolution between 20.00A and 0.70A) were used for unit cell refinement
 
 
Symmetry used
in scalepack
p2
a (Angstrom) 13.3411 +/- 0.0013
b (Angstrom) 11.709 +/- 0.002
c (Angstrom) 14.291 +/- 0.002
alpha (°) 90.000
beta (°) 115.857 +/- 0.005
gamma (°) 90.000
Volume (A**3) 2008.9 +/- 0.5
Mosaicity (°) 3.464 +/- 0.008

Data collection

Summary

Total number of images collected 99
Total exposure time 62.3 minutes
Data collection exposure time 61.0 minutes
Data collection wall-clock time 71.7 minutes

Experimental Conditions

Wavelength 0.71073 A
Generator setting 50.00kV 90.00mA
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 91 182.0° phi 2.000° 40 seconds Yes

Scaling

Deleted observations

Zero sigma or profile test   34
Overload or incomplete profile 1299
Sigma cutoff  498

Final Data Set

Scale factor 10.00
Number of 'full' reflections      0
Number of 'partial' reflections  52996
Total number of integrated reflections  10081
Total number of unique reflections   3973
Data completeness   62.1%
Resolution range 20.00-0.70 A
Theta range 1.02°-30.51°
Average Intensity    35.9
Average Sigma(I)     3.1
Overall R-merge (linear)   0.140

Crystal Information

Collection Temperature   150 K
Crystal Size  0.18 x 0.12 x 0.04
Crystal Colour  colourless
Crystal Shape  plate

SORTAV Absorption correction Summary

R(merge) on F2
Before
After
R
0.134 
0.075 
Rw
0.132 
0.113 
Max Transmission Factor
0.469E+00 
Min Transmission Factor
0.469E+00 

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/