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
C2H4 Ethylene 121.2 121.4 -0.2
CH3CCH propyne 110.6 110.8 -0.2
CH3CN Acetonitrile 109.4 109.9 -0.5
CH3CHO Acetaldehyde 117.5 115.3 2.2
CH3CH2SH ethanethiol 110.2 110.5 -0.3
CH3CH2SH ethanethiol 109.7 110.8 -1.1
CH3CH2SH ethanethiol 110.6 110.2 0.4
C2H4O Ethylene oxide 119.1 119.3 -0.2
CH3CH2CHO Propanal 110.3 110.6 -0.3
CH3CH2CHO Propanal 111.9 106.9 5.0
CH3CH2CHO Propanal 115.1 115.1 -0.0
CH3CH2CHO Propanal 111.7 110.6 1.1
CH3CH2CHO Propanal 106.8 111.8 -5.0
C2H4S Thiirane 117.9 117.9 0.0
CH2CO Ketene 118.7 119.1 -0.4
C2H4F2 1,2-difluoroethane 111.4 111.0 0.4
C2H4F2 1,2-difluoroethane 108.4 110.1 -1.7
C2H4F2 1,2-difluoroethane 111.3 108.5 2.8
C3H4 cyclopropene 149.9 150.0 -0.1
C3H4 cyclopropene 145.6 145.5 0.1
C3H4 cyclopropene 119.2 119.2 0.0

MP4=FULL/daug-cc-pVTZ for aHCC

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 14
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
-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 CH3CH2CHO Propanal -5.0
Most positive difference CH3CH2CHO Propanal 5.0