EPSRC National Crystallography Service

Data Collection Summary

Summary report for Directory: diska/01sot198

Report generated Jan 16, 2002; 16:20:48

Unit cell

19752 reflections with 1.00°<theta<27.48° (resolution between 20.40A and 0.77A) were used for unit cell refinement
 
 
Symmetry used
in scalepack
p1
a (Angstrom) 8.1662 +/- 0.0007
b (Angstrom) 12.0930 +/- 0.0010
c (Angstrom) 14.3524 +/- 0.0014
alpha (°) 89.994 +/- 0.003
beta (°) 90.042 +/- 0.003
gamma (°) 70.410 +/- 0.004
Volume (A**3) 1335.3 +/- 0.2
Mosaicity (°) 1.363 +/- 0.006

Data collection

Summary

Total number of images collected 207
Total exposure time 87.8 minutes
Data collection exposure time 86.1 minutes
Data collection wall-clock time 111.1 minutes

Experimental Conditions

Wavelength 0.71073 A
Generator setting 50kV 90mA

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° 10 seconds 45.00 mm No
data collection s01f 181 362.0° phi 2.000° 26 seconds 30.00 mm Yes
data collection s02f 16  32.0° omega 2.000° 26 seconds 30.00 mm Yes

Scalepack Scaling

Deleted observations

Zero sigma or profile test   58
Overload or incomplete profile  953
Sigma cutoff   83
High resolution limit  227

Final Data Set

Scale factor 10.00
Number of 'full' reflections   1040
Number of 'partial' reflections  40719
Total number of integrated reflections  16961
Total number of unique reflections   5748
Data completeness   94.8%
Resolution range 20.40-0.77 A
Theta range 1.00°-27.48°
Average Intensity    14.9
Average Sigma(I)     2.4
Overall R-merge (linear)   0.107

Crystal Information

Collection Temperature   120 K
Crystal Size  0.16 x 0.14 x 0.05
Crystal Colour  COLOURLESS
Crystal Shape  BLOCK

 
 

SORTAV Absorption correction

Max Transmission Factor
0.86710 
Min Transmission Factor
0.82176 

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/