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 119.2 123.9 -4.7
NH2CONH2 Urea 112.8 117.1 -4.3
CH3CSNH2 Ethanethioamide 124.0 122.0 2.0
CH3CSNH2 Ethanethioamide 114.4 119.2 -4.8
CH3NH2 methyl amine 111.0 112.8 -1.8
C4H5N Pyrrole 125.1 125.2 -0.1
CHSNH2 thioformamide 117.9 122.1 -4.2
CHSNH2 thioformamide 120.4 119.2 1.2
HNCNH diiminomethane 118.6 129.0 -10.3
CH2NH Methanimine 110.5 113.1 -2.6

M06-2X/3-21G for aHNC

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


Differences greater than 12 are in the 12 bin. Differences less than -12 are in the -12 bin.

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

  Species Name Difference (degrees)
Most negative difference HNCNH diiminomethane -10.3
Most positive difference CH3CSNH2 Ethanethioamide 2.0