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
CH3CH2OH Ethanol 107.8 108.5 -0.7
CH3COCH3 Acetone 122.0 121.7 0.3
CH3CHO Acetaldehyde 123.9 124.6 -0.7
C2H4O Ethylene oxide 59.2 58.7 0.5
CH2CHCHO Acrolein 123.9 124.0 -0.1
CH2CHCHO Acrolein 124.3 124.0 0.3
C2H2O2 Ethanedial 121.2 121.3 -0.1
C4H4O Furan 110.7 110.8 -0.1
CH3CH2CHO Propanal 124.4 125.1 -0.7
C4H8O2 Ethyl acetate 124.1 124.8 -0.7
C4H8O2 Ethyl acetate 111.9 111.7 0.2
C4H8O2 Ethyl acetate 108.2 107.9 0.3
C3O2 Carbon suboxide 179.2 180.0 -0.8
C4H8O2 1,3-Dioxane 109.2 110.1 -0.9
CH2CHOH ethenol 126.2 126.9 -0.7
C3H2O3 vinylene carbonate 108.7 108.2 0.4
C5H4O2 4-Cyclopentene-1,3-dione 124.9 127.0 -2.1
CH3CH2O Ethoxy radical 114.4 113.7 0.7

HF/cc-pVQZ for aCCO

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


Differences greater than 3.5 are in the 3.5 bin. Differences less than -2.5 are in the -2.5 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4 histogram chart histogram chart
histogram chart 2 histogram chart histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart
-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C5H4O2 4-Cyclopentene-1,3-dione -2.1
Most positive difference CH3CH2O Ethoxy radical 0.7