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 118.6 119.2 -0.6
CHONH2 formamide 121.6 119.4 2.2
NH3 Ammonia 106.7 114.0 -7.3
NH2OH hydroxylamine 103.3 106.0 -2.8
NH2 Amino radical 103.4 101.4 2.0
NH2F monofluoroamine 106.3 105.7 0.5

LSDA/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 0 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 -7.3
Most positive difference CHONH2 formamide 2.2