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
C2H4O Ethylene oxide 61.6 61.5 0.1
CH3OCHO methyl formate 114.8 114.7 0.1
C3H8O2 Methane, dimethoxy- 114.6 112.7 1.9
C4H4O Furan 106.6 106.7 -0.1
C4H10O2 Ethane, 1,2-dimethoxy- 110.7 112.9 -2.2
CH3OCH3 Dimethyl ether 111.2 111.8 -0.6
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 116.0 116.5 -0.5
C4H8O2 Ethyl acetate 115.7 115.3 0.4
C5H10O 2H-Pyran, tetrahydro- 112.3 112.2 0.1
C4H10O Propane, 2-methoxy- 112.5 116.7 -4.2
C5H12O Butane, 1-methoxy- 118.9 112.9 6.0

B2PLYP=FULLultrafine/6-31G* for aCOC

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


Differences greater than 7 are in the 7 bin. Differences less than -5 are in the -5 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-5 -4 -3 -2 -1 0 1 2 3 4 5 6 7
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H10O Propane, 2-methoxy- -4.2
Most positive difference C5H12O Butane, 1-methoxy- 6.0