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 118.6 118.8 -0.2
C6H5NH2 aniline 113.9 118.1 -4.2
CH3NH2 methyl amine 105.8 111.1 -5.3
CHONH2 formamide 121.6 118.6 3.0
CHSNH2 thioformamide 121.7 118.1 3.6
N2H4 Hydrazine 106.0 111.9 -5.9
NH3 Ammonia 106.7 112.4 -5.7
LiNH2 lithium amide 106.9 106.4 0.5
NH2OH hydroxylamine 103.3 109.2 -5.9
NH2 Amino radical 103.4 105.9 -2.5
NH2SH Thiohydroxylamine 110.2 114.6 -4.4
NH2SH Thiohydroxylamine 111.6 114.6 -3.0
BH2NH2 Boranamine 114.2 114.0 0.2
NH2F monofluoroamine 106.3 109.8 -3.5

HF/3-21G for aHNH

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


Differences greater than 6 are in the 6 bin. Differences less than -6 are in the -6 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
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference NH2OH hydroxylamine -5.9
Most positive difference CHSNH2 thioformamide 3.6