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
CH3NH2 methyl amine 105.8 107.4 -1.6
CHONH2 formamide 121.6 119.3 2.3
CHSNH2 thioformamide 121.7 118.9 2.8
N2H4 Hydrazine 106.0 108.7 -2.7
NH3 Ammonia 106.7 108.1 -1.5
LiNH2 lithium amide 106.9 105.0 1.9
NH2OH hydroxylamine 103.3 106.3 -3.1
NH2 Amino radical 103.4 103.7 -0.3
NH2SH Thiohydroxylamine 110.2 109.6 0.6
NH2SH Thiohydroxylamine 111.6 109.6 2.0
BH2NH2 Boranamine 114.2 113.6 0.6

B2PLYP/6-31+G** for aHNH

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


Differences greater than 2.5 are in the 2.5 bin. Differences less than -3.5 are in the -3.5 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
-3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference NH2OH hydroxylamine -3.1
Most positive difference CHSNH2 thioformamide 2.8