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 -0.1
C6H5NH2 aniline 113.9 114.7 -0.8
CH3NH2 methyl amine 105.8 111.3 -5.5
CHONH2 formamide 121.6 119.4 2.2
CHSNH2 thioformamide 121.7 119.0 2.7
N2H4 Hydrazine 106.0 112.8 -6.8
NH3 Ammonia 106.7 114.1 -7.4
LiNH2 lithium amide 106.9 106.4 0.5
NH2OH hydroxylamine 103.3 109.6 -6.4
NH2 Amino radical 103.4 106.9 -3.5
NH2SH Thiohydroxylamine 110.2 113.9 -3.7
NH2SH Thiohydroxylamine 111.6 113.9 -2.3
BH2NH2 Boranamine 114.2 114.3 -0.1
NH2F monofluoroamine 106.3 109.8 -3.5

MP2/CEP-31G for aHNH

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


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

  Species Name Difference (degrees)
Most negative difference NH3 Ammonia -7.4
Most positive difference CHSNH2 thioformamide 2.7