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 119.2 124.1 -4.9
NH2CONH2 Urea 112.8 117.0 -4.2
C6H5NH2 aniline 114.9 121.0 -6.1
CH3CSNH2 Ethanethioamide 124.0 122.1 1.9
CH3CSNH2 Ethanethioamide 114.4 119.2 -4.8
CH3NH2 methyl amine 111.0 116.4 -5.4
CH3CH2NH2 Ethylamine 111.1 115.6 -4.5
CHONH2 formamide 118.5 121.7 -3.2
CHONH2 formamide 120.0 119.4 0.6
HNCO Isocyanic acid 123.9 145.1 -21.2
C4H5N Pyrrole 125.1 125.1 -0.0
CHSNH2 thioformamide 117.9 122.0 -4.1
CHSNH2 thioformamide 120.4 119.5 0.9
CH3NHCH3 Dimethylamine 108.9 113.7 -4.8
HNCNH diiminomethane 118.6 129.8 -11.2
C2H5N Aziridine 109.3 113.4 -4.1
CH2NH Methanimine 110.5 113.7 -3.2
HNCS Isothiocyanic acid 131.7 167.6 -35.9
HNC hydrogen isocyanide 180.0 180.0 0.0

B1B95/6-31G for aHNC

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


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

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

  Species Name Difference (degrees)
Most negative difference HNCS Isothiocyanic acid -35.9
Most positive difference CH3CSNH2 Ethanethioamide 1.9