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 119.2 120.2 -0.9
NH2CONH2 Urea 112.8 115.5 -2.8
C6H5NH2 aniline 114.9 116.9 -2.0
CH3CSNH2 Ethanethioamide 124.0 121.9 2.1
CH3CSNH2 Ethanethioamide 114.4 119.2 -4.8
CH3NH2 methyl amine 111.0 112.9 -1.9
CH3CH2NH2 Ethylamine 111.1 112.1 -1.0
CHONH2 formamide 118.5 122.0 -3.5
CHONH2 formamide 120.0 119.1 0.9
HNCO Isocyanic acid 123.9 131.7 -7.8
C4H5N Pyrrole 125.1 125.1 -0.0
CHSNH2 thioformamide 117.9 121.8 -3.9
CHSNH2 thioformamide 120.4 119.3 1.1
CH3NHCH3 Dimethylamine 108.9 111.9 -3.0
HNCNH diiminomethane 118.6 129.0 -10.3
C2H5N Aziridine 109.3 113.2 -3.9
CH2NH Methanimine 110.5 113.0 -2.5
HNC hydrogen isocyanide 180.0 180.0 0.0

wB97X-D/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
histogram chart 2 histogram chart histogram chart histogram chart
histogram chart 0 histogram chart 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 2.1