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 110.9 112.0 -1.1
C4H5N Pyrrole 109.8 109.5 0.3
C5H5N Pyridine 116.7 117.9 -1.2
C5H11N Piperidine 109.8 113.0 -3.2
C4H9N Pyrrolidine 105.2 105.6 -0.4
CH3NHCH3 Dimethylamine 112.2 113.7 -1.5
C2H5N Aziridine 60.3 61.0 -0.7
C4H4N2 Pyrazine 115.7 116.8 -1.2
NH2CN cyanamide 178.2 178.0 0.2
C2H6N2O2 Dimethylnitroamine 127.6 119.5 8.1

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

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


Differences greater than 8 are in the 8 bin. Differences less than -4 are in the -4 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 histogram chart
-4 -3 -2 -1 0 1 2 3 4 5 6 7 8
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C5H11N Piperidine -3.2
Most positive difference C2H6N2O2 Dimethylnitroamine 8.1