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 156.9 123.3 33.6
NH2CONH2 Urea 10.8 123.3 -112.5

CCSD(T)=FULL/cc-pVTZ for dHNCO

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


Differences greater than 120 are in the 120 bin. Differences less than -120 are in the -120 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference NH2CONH2 Urea -112.5
Most positive difference NH2CONH2 Urea 33.6