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 118.6 118.9 -0.3
C6H5NH2 aniline 113.9 118.0 -4.1
CH3NH2 methyl amine 105.8 112.5 -6.7
CHONH2 formamide 121.6 118.9 2.7
CHSNH2 thioformamide 121.7 118.5 3.2
N2H4 Hydrazine 106.0 114.8 -8.8
NH2CN cyanamide 112.7 118.4 -5.7
NH3 Ammonia 106.7 116.2 -9.5
LiNH2 lithium amide 106.9 106.9 -0.0
NH2OH hydroxylamine 103.3 109.3 -6.0
NH2 Amino radical 103.4 105.0 -1.6
NH2SH Thiohydroxylamine 110.2 114.8 -4.6
NH2SH Thiohydroxylamine 111.6 114.8 -3.2
BH2NH2 Boranamine 114.2 114.0 0.2
NH2F monofluoroamine 106.3 109.1 -2.9

B3LYP/6-31G for aHNH

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


Differences greater than 14 are in the 14 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 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-10 -8 -6 -4 -2 0 2 4 6 8 10 12 14
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference NH3 Ammonia -9.5
Most positive difference CHSNH2 thioformamide 3.2