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
HNCNH diiminomethane 118.6 133.0 -14.3
CH2NH Methanimine 110.5 113.9 -3.4
HNC hydrogen isocyanide 180.0 180.0 0.0

LSDA/6-31G for aHNC

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


Differences greater than 8 are in the 8 bin. Differences less than -16 are in the -16 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
-16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HNCNH diiminomethane -14.3
Most positive difference HNC hydrogen isocyanide 0.0