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
C4H8O2 Ethyl acetate 124.1 128.5 -4.4
C4H8O2 Ethyl acetate 111.9 108.1 3.8
C4H8O2 Ethyl acetate 108.2 107.4 0.8
C4H8O2 1,3-Dioxolane, 2-methyl- 105.2 105.3 -0.1
C4H8O2 1,3-Dioxolane, 2-methyl- 110.9 110.0 0.9
C3H8O2 1,3-Propanediol 108.0 112.6 -4.6
C3H8O2 1,3-Propanediol 112.0 106.5 5.5
C3O2 Carbon suboxide 179.2 180.0 -0.8
C4H8O2 1,3-Dioxane 109.2 111.4 -2.2
CH3OC2H5 Ethane, methoxy- 108.2 107.8 0.4
CH3CH(CH3)ONO Isopropyl nitrite 107.6 108.6 -1.0
CH2CHOH ethenol 126.2 126.8 -0.6
CH3COF Acetyl fluoride 128.4 127.6 0.8
C5H10O 2-Butanone, 3-methyl- 120.8 123.0 -2.2
C4H10O Propane, 2-methoxy- 113.7 113.7 0.0
C4H10O Propane, 2-methoxy- 107.7 113.7 -6.0
C5H4O2 4-Cyclopentene-1,3-dione 124.9 127.2 -2.3
C3H4O Cyclopropanone 147.7 148.7 -1.0
C3H4O Methylketene 180.0 179.8 0.2

LSDA/STO-3G for aCCO

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


Differences greater than 6 are in the 6 bin. Differences less than -6 are in the -6 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart histogram chart histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H10O Propane, 2-methoxy- -6.0
Most positive difference C3H8O2 1,3-Propanediol 5.5