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
C4H4N2O2 Uracil 126.7 128.8 -2.1
C3H7NO dimethylformamide 120.8 120.4 0.4
C3H7NO dimethylformamide 122.3 122.1 0.2
C3H7NO dimethylformamide 113.9 117.5 -3.6
N(CH3)3 Trimethylamine 110.9 111.3 -0.4
C4H5N Pyrrole 109.8 109.7 0.1
C5H5N Pyridine 116.7 117.4 -0.7
C5H11N Piperidine 109.8 112.2 -2.4
HCONHCH3 N-methylformamide 121.4 121.2 0.2
C4H9N Pyrrolidine 105.2 105.0 0.2
CH3NHCH3 Dimethylamine 112.2 112.9 -0.7
C2H5N Aziridine 60.3 60.8 -0.6
C3H3NO Oxazole 103.9 103.6 0.3
C4H4N2 Pyrazine 115.7 116.3 -0.6
NH2CN cyanamide 178.2 177.0 1.2
C2H6N2O2 Dimethylnitroamine 127.6 120.5 7.1

TPSSh/6-31G* 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
histogram chart 4 histogram chart
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart 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 C3H7NO dimethylformamide -3.6
Most positive difference C2H6N2O2 Dimethylnitroamine 7.1