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
NH2CONH2 Urea 119.2 124.1 -4.8
NH2CONH2 Urea 112.8 116.9 -4.2
CH3CSNH2 Ethanethioamide 124.0 121.9 2.1
CH3CSNH2 Ethanethioamide 114.4 119.0 -4.6
CH3NH2 methyl amine 111.0 112.3 -1.3
CHONH2 formamide 118.5 121.8 -3.3
CHONH2 formamide 120.0 119.2 0.8
C4H5N Pyrrole 125.1 125.2 -0.1
CHSNH2 thioformamide 117.9 121.9 -4.0
CHSNH2 thioformamide 120.4 119.2 1.2
HNCNH diiminomethane 118.6 127.8 -9.2
CH2NH Methanimine 110.5 112.8 -2.3

PBE1PBE/3-21G for aHNC

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


Differences greater than 2 are in the 2 bin. Differences less than -10 are in the -10 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HNCNH diiminomethane -9.2
Most positive difference CH3CSNH2 Ethanethioamide 2.1