return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

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
C6H5NH2 aniline 113.9 118.3 -4.4
CH3NH2 methyl amine 105.8 110.2 -4.4
CHONH2 formamide 121.6 118.9 2.7
CHSNH2 thioformamide 121.7 118.9 2.8
N2H4 Hydrazine 106.0 110.7 -4.7
NH3 Ammonia 106.7 111.6 -4.9
NH2OH hydroxylamine 103.3 106.7 -3.4
NH2 Amino radical 103.4 102.6 0.8
NH2SH Thiohydroxylamine 110.2 118.3 -8.1
NH2SH Thiohydroxylamine 111.6 118.3 -6.7
BH2NH2 Boranamine 114.2 113.9 0.3
NH2F monofluoroamine 106.3 106.5 -0.2

B1B95/3-21G 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
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 -8.1
Most positive difference CHSNH2 thioformamide 2.8