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
CH3COCH3 Acetone 116.0 116.5 -0.5
C6H6 Benzene 120.0 120.0 0.0
C3H8 Propane 112.4 112.7 -0.3
C3H6 Cyclopropane 60.0 60.0 0.0
CH3CHClCH3 Propane, 2-chloro- 112.7 113.7 -1.0
CH3CH2CH2CH3 Butane 113.8 113.0 0.8
CH2CHCHO Acrolein 120.3 120.6 -0.3
CH2CHCHO Acrolein 121.4 120.6 0.8
C2H5CN ethyl cyanide 111.7 112.5 -0.8
C4H4O Furan 106.1 106.2 -0.1
CH2CHCH3 Propene 124.8 125.0 -0.2
CH3CH2CHO Propanal 113.8 114.4 -0.6
C4H6 Bicyclo[1.1.0]butane 60.0 60.2 -0.2
C4H6 Bicyclo[1.1.0]butane 60.0 59.6 0.4
C4H6 Bicyclo[1.1.0]butane 98.3 98.3 0.0
C8H8 cubane 90.0 90.0 0.0
CH3CHFCH3 2-Fluoropropane 113.5 114.1 -0.7
C3O2 Carbon suboxide 178.3 180.0 -1.7
CH2CHCH2F Allyl Fluoride 124.6 125.1 -0.5
CH2CHCH2F Allyl Fluoride 121.6 111.8 9.9
CH2ClCCCl 1,3-dichloropropyne 182.7 179.6 3.1
C3H4 cyclopropene 50.8 50.8 0.1
C3H4 cyclopropene 64.6 64.6 -0.0
C4H6 1-Methylcyclopropene 152.8 72.7 80.1
C3 carbon trimer 180.0 180.0 0.0

TPSSh/cc-pVQZ for aCCC

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


Differences greater than 110 are in the 110 bin. Differences less than -10 are in the -10 bin.

histogram chart 25
histogram chart 20 histogram chart
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart
-10 0 10 20 30 40 50 60 70 80 90 100 110
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3O2 Carbon suboxide -1.7
Most positive difference C4H6 1-Methylcyclopropene 80.1