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 118.6 119.0 -0.4
CH3NH2 methyl amine 105.8 109.9 -4.1
CHONH2 formamide 121.6 119.0 2.6
CHSNH2 thioformamide 121.7 119.0 2.7
N2H4 Hydrazine 106.0 110.7 -4.7
NH3 Ammonia 106.7 111.2 -4.6
LiNH2 lithium amide 106.9 106.0 0.9
NH2OH hydroxylamine 103.3 106.5 -3.2
NH2 Amino radical 103.4 102.7 0.7
NH2SH Thiohydroxylamine 110.2 118.4 -8.2
NH2SH Thiohydroxylamine 111.6 118.4 -6.8
BH2NH2 Boranamine 114.2 113.9 0.3

PBE1PBE/3-21G for aHNH

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


Differences greater than 3 are in the 3 bin. Differences less than -9 are in the -9 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 histogram chart
-9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference NH2SH Thiohydroxylamine -8.2
Most positive difference CHSNH2 thioformamide 2.7