return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
NH2CONH2 Urea 119.2 123.9 -4.6
NH2CONH2 Urea 112.8 116.7 -4.0
C6H5NH2 aniline 114.9 120.9 -6.0
CH3CSNH2 Ethanethioamide 124.0 122.2 1.8
CH3CSNH2 Ethanethioamide 114.4 118.9 -4.5
CH3NH2 methyl amine 111.0 114.9 -3.9
CH3CH2NH2 Ethylamine 111.1 114.6 -3.5
HNCO Isocyanic acid 123.9 140.8 -16.9
C4H5N Pyrrole 125.1 125.2 -0.1
CHSNH2 thioformamide 117.9 121.7 -3.8
CHSNH2 thioformamide 120.4 119.3 1.1
CH3NHCH3 Dimethylamine 108.9 112.8 -3.9
HNCNH diiminomethane 118.6 127.0 -8.4
C2H5N Aziridine 109.3 111.7 -2.4
CH2NH Methanimine 110.5 112.7 -2.2
HNC hydrogen isocyanide 180.0 180.0 0.0

B3LYP/CEP-121G for aHNC

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


Differences greater than 6 are in the 6 bin. Differences less than -18 are in the -18 bin.

histogram chart 10
histogram chart 8
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 histogram chart histogram chart histogram chart
-18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HNCO Isocyanic acid -16.9
Most positive difference CH3CSNH2 Ethanethioamide 1.8