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
H2CO Formaldehyde 121.9 122.0 -0.1
HCOOH Formic acid 124.1 125.3 -1.2
CHONH2 formamide 122.5 123.0 -0.5
C2H4O Ethylene oxide 114.7 115.1 -0.4
CH3CH2CHO Propanal 120.5 120.4 0.1
C3H3NO Oxazole 117.1 116.5 0.6
C3H3NO Oxazole 116.9 116.7 0.2
CH3OC2H5 Ethane, methoxy- 107.5 107.6 -0.1
CH3OC2H5 Ethane, methoxy- 111.1 111.4 -0.3
CH3OC2H5 Ethane, methoxy- 110.3 109.9 0.4

MP4=FULL/cc-pVTZ for aHCO

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


Differences greater than 1.2 are in the 1.2 bin. Differences less than -1.2 are in the -1.2 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
-1.2 -1 -0.8 -0.6 -0.4 -0.2 2.22044604925031E-16 0.2 0.4 0.6 0.8 1 1.2
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HCOOH Formic acid -1.2
Most positive difference C3H3NO Oxazole 0.6