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 110.9 111.1 -0.2
C2H4 Ethylene 121.2 121.4 -0.2
CH3CCH propyne 110.6 110.8 -0.2
CH3CN Acetonitrile 109.4 109.9 -0.4
CH3CHO Acetaldehyde 117.5 115.4 2.1
CH3CH2SH ethanethiol 110.2 110.5 -0.3
CH3CH2SH ethanethiol 109.7 110.8 -1.1
CH3CH2SH ethanethiol 110.6 110.1 0.5
C2H4O Ethylene oxide 119.1 119.3 -0.2
C2H4S Thiirane 117.9 117.9 0.1
CH2CO Ketene 118.7 119.0 -0.3
C3H4 cyclopropene 149.9 150.0 -0.1
C3H4 cyclopropene 145.6 145.4 0.2
C3H4 cyclopropene 119.2 119.3 -0.1
CH3CHS Thioacetaldehyde 119.4 115.1 4.3
CH3CHS Thioacetaldehyde 111.2 111.2 0.0
CH3CHS Thioacetaldehyde 110.1 109.8 0.3

MP3=FULL/daug-cc-pVTZ for aHCC

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


Differences greater than 4.5 are in the 4.5 bin. Differences less than -1.5 are in the -1.5 bin.

histogram chart 10
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3CH2SH ethanethiol -1.1
Most positive difference CH3CHS Thioacetaldehyde 4.3