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
C2H6 Ethane 110.9 111.2 -0.2
C2H4 Ethylene 121.2 121.5 -0.3
CH3CCH propyne 110.6 110.5 0.2
CH3CN Acetonitrile 109.4 109.8 -0.4
CH3CHO Acetaldehyde 117.5 115.5 2.0
CH3CH2SH ethanethiol 110.2 110.6 -0.4
CH3CH2SH ethanethiol 109.7 110.9 -1.2
CH3CH2SH ethanethiol 110.6 110.1 0.5
C2H4O Ethylene oxide 119.1 119.4 -0.3
CH3CH2CHO Propanal 110.3 110.7 -0.4
CH3CH2CHO Propanal 111.9 106.8 5.1
CH3CH2CHO Propanal 115.1 115.3 -0.2
CH3CH2CHO Propanal 111.7 110.6 1.1
CH3CH2CHO Propanal 106.8 111.8 -5.0
C4H4Se selenophene 122.9 123.1 -0.2
C2H4S Thiirane 117.9 118.1 -0.2
CH2CO Ketene 118.7 119.1 -0.4
C2H4F2 1,2-difluoroethane 111.4 111.4 0.0
C2H4F2 1,2-difluoroethane 108.4 110.3 -1.9
C2H4F2 1,2-difluoroethane 111.3 108.0 3.3
C3H4 cyclopropene 149.9 149.7 0.1
C3H4 cyclopropene 145.6 145.8 -0.3
C3H4 cyclopropene 119.2 119.3 -0.1

MP4/daug-cc-pVDZ for aHCC

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 16
histogram chart 14 histogram chart
histogram chart 12 histogram chart
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart
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 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 CH3CH2CHO Propanal -5.0
Most positive difference CH3CH2CHO Propanal 5.1