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
C4H10O Ethoxy ethane 112.1 114.4 -2.3
C2H4O Ethylene oxide 61.6 62.3 -0.7
C6H5OCH3 Anisole 113.8 119.5 -5.7
CH3OCHO methyl formate 114.8 116.9 -2.1
C4H2O3 Maleic Anhydride 107.9 109.7 -1.8
C4H4O Furan 106.6 107.2 -0.6
C4H10O2 Ethane, 1,2-dimethoxy- 110.7 114.1 -3.4
C3H6O3 1,3,5-Trioxane 109.5 111.6 -2.1
CH3OCH3 Dimethyl ether 111.2 113.9 -2.7
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 116.0 117.9 -1.9
C4H8O2 Ethyl acetate 115.7 117.4 -1.7
C5H10O 2H-Pyran, tetrahydro- 112.3 113.5 -1.2
C3H3NO Oxazole 103.9 104.7 -0.8
C4H8O2 1,3-Dioxane 110.9 112.7 -1.8
CH3OC2H5 Ethane, methoxy- 111.7 114.1 -2.4
C4H10O Propane, 2-methoxy- 112.5 118.4 -5.9
C5H12O Butane, 1-methoxy- 118.9 114.1 4.8
C3H2O3 vinylene carbonate 106.9 107.7 -0.8

HF/aug-cc-pVDZ for aCOC

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
histogram chart 4 histogram chart histogram chart
histogram chart 2 histogram chart histogram chart
histogram chart 0 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- -5.9
Most positive difference C5H12O Butane, 1-methoxy- 4.8