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 126.7 127.7 -1.0
C3H7NO dimethylformamide 120.8 120.4 0.4
C3H7NO dimethylformamide 122.3 122.3 0.0
C3H7NO dimethylformamide 113.9 117.3 -3.4
N(CH3)3 Trimethylamine 110.9 110.6 0.3
C4H5N Pyrrole 109.8 110.1 -0.3
C5H5N Pyridine 116.7 116.9 -0.2
C5H11N Piperidine 109.8 110.2 -0.4
HCONHCH3 N-methylformamide 121.4 122.0 -0.6
C4H9N Pyrrolidine 105.2 103.9 1.3
CH3NHCH3 Dimethylamine 112.2 112.2 -0.0
C2H5N Aziridine 60.3 60.7 -0.4
C3H3NO Oxazole 103.9 121.6 -17.7
C4H4N2 Pyrazine 115.7 116.2 -0.5
NH2CN cyanamide 178.2 177.4 0.8
C2H6N2O2 Dimethylnitroamine 127.6 119.8 7.8

MP2/6-31G* for aCNC

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


Differences greater than 40 are in the 40 bin. Differences less than -20 are in the -20 bin.

histogram chart 14
histogram chart 12 histogram chart
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-20 -15 -10 -5 0 5 10 15 20 25 30 35 40
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3H3NO Oxazole -17.7
Most positive difference C2H6N2O2 Dimethylnitroamine 7.8