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 118.6 118.7 -0.0
CH3NH2 methyl amine 105.8 108.5 -2.7
CHSNH2 thioformamide 121.7 118.8 2.9
N2H4 Hydrazine 106.0 108.4 -2.4
NH3 Ammonia 106.7 109.1 -2.4
LiNH2 lithium amide 106.9 105.4 1.5
NH2OH hydroxylamine 103.3 105.4 -2.1
NH2 Amino radical 103.4 102.0 1.4
NH2SH Thiohydroxylamine 110.2 117.7 -7.5
NH2SH Thiohydroxylamine 111.6 117.7 -6.1
BH2NH2 Boranamine 114.2 113.5 0.7

TPSSh/3-21G* 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 histogram chart
histogram chart 0 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 NH2SH Thiohydroxylamine -7.5
Most positive difference CHSNH2 thioformamide 2.9