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
C2H6N2O2 Dimethylnitroamine 101.9 111.8 -9.8
CH2NH Methanimine 119.7 118.9 0.8
CH2NH Methanimine 123.4 125.2 -1.8
CH3NO nitrosomethane 107.3 106.5 0.8
CH3NO nitrosomethane 111.1 111.7 -0.6
C4H4N2 Pyrazine 117.9 117.3 0.6
C4H4N2 1,3-Diazine 117.9 116.6 1.3
C4H4N2 Pyridazine 111.7 115.7 -4.0
C3H3NO Oxazole 121.9 121.6 0.3
C3H3NO Oxazole 127.9 128.5 -0.6
C3H4N2 1H-Pyrazole 121.4 121.9 -0.5
C3H4N2 1H-Pyrazole 119.3 119.9 -0.6
C2H5N Aziridine 114.3 114.9 -0.7
C2H5N Aziridine 118.3 119.1 -0.9
CH3NHCH3 Dimethylamine 113.8 114.1 -0.3
CH3NHCH3 Dimethylamine 108.2 109.2 -1.0
CH3NHCH3 Dimethylamine 109.7 109.6 0.1
C4H5N Pyrrole 121.5 121.1 0.4
CH3NO2 Methane, nitro- 107.2 106.4 0.8
N(CH3)3 Trimethylamine 110.1 109.6 0.5
N(CH3)3 Trimethylamine 111.7 112.9 -1.2
CH2NOH formaldoxime 115.6 116.2 -0.6
CH2NOH formaldoxime 121.8 123.1 -1.3
CHONH2 formamide 112.7 112.2 0.5
HCN Hydrogen cyanide 180.0 180.0 0.0
C3H7NO dimethylformamide 110.1 107.8 2.3
C3H7NO dimethylformamide 117.0 111.7 5.3
CH3NC methyl isocyanide 109.6 109.5 0.1

TPSSh/6-31+G** for aHCN

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


Differences greater than 14 are in the 14 bin. Differences less than -10 are in the -10 bin.

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

  Species Name Difference (degrees)
Most negative difference C2H6N2O2 Dimethylnitroamine -9.8
Most positive difference C3H7NO dimethylformamide 5.3