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 105.8 110.4 -4.6
CHSNH2 thioformamide 121.7 118.6 3.1
N2H4 Hydrazine 106.0 111.1 -5.1
NH3 Ammonia 106.7 111.9 -5.2
LiNH2 lithium amide 106.9 106.1 0.8
NH2OH hydroxylamine 103.3 107.1 -3.8
NH2 Amino radical 103.4 103.3 0.1
NH2SH Thiohydroxylamine 110.2 113.2 -3.0
NH2SH Thiohydroxylamine 111.6 113.2 -1.6
BH2NH2 Boranamine 114.2 113.8 0.4

M06-2X/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 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 NH3 Ammonia -5.2
Most positive difference CHSNH2 thioformamide 3.1