return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
N(CH3)3 Trimethylamine 110.9 111.7 -0.8
C4H5N Pyrrole 109.8 109.8 0.0
C5H5N Pyridine 116.7 117.5 -0.8
C5H11N Piperidine 109.8 112.6 -2.8
C4H9N Pyrrolidine 105.2 105.3 -0.1
CH3NHCH3 Dimethylamine 112.2 113.3 -1.1
C2H5N Aziridine 60.3 60.5 -0.2
C4H4N2 Pyrazine 115.7 116.2 -0.6
C2H6N2O2 Dimethylnitroamine 127.6 120.5 7.1

B3LYP/6-311+G(3df,2p) for aCNC

Histogram of angle differences (in degrees) vs number of species


Differences greater than 9 are in the 9 bin. Differences less than -3 are in the -3 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-3 -2 -1 0 1 2 3 4 5 6 7 8 9
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C5H11N Piperidine -2.8
Most positive difference C2H6N2O2 Dimethylnitroamine 7.1