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
C3H8 Propane 112.4 112.3 0.1
C6H4Cl2 1,4-dichlorobenzene 121.6 121.2 0.4
CH3CH2CH2CH3 Butane 113.8 112.7 1.1
CH2CHCH2CH3 1-Butene 125.4 124.8 0.6
CH2CHCH2CH3 1-Butene 112.1 111.9 0.2
C4H5N Pyrrole 104.7 107.2 -2.5
CH2CHCH3 Propene 124.8 124.6 0.2
C3F6 hexafluoropropene 127.8 127.5 0.3
CH3CH2CHO Propanal 113.8 113.8 0.0
C4H6 Bicyclo[1.1.0]butane 60.0 60.1 -0.1
C4H6 Bicyclo[1.1.0]butane 60.0 59.9 0.1
C4H6 Bicyclo[1.1.0]butane 98.3 98.2 0.1
C4H4Se selenophene 114.6 114.5 0.1
CH3CHFCH3 2-Fluoropropane 113.5 113.8 -0.4
C3O2 Carbon suboxide 178.3 180.0 -1.7
CH3CCl2CH3 Propane, 2,2-dichloro- 113.0 113.7 -0.7
C6H6 Benzvalene 105.7 105.5 0.2
CH2CHCH2F Allyl Fluoride 124.6 124.6 0.0
CH2CHCH2F Allyl Fluoride 121.6 111.4 10.2
CH2ClCCCl 1,3-dichloropropyne 182.7 176.9 5.8
C3H4 cyclopropene 50.8 50.9 -0.1
C3H4 cyclopropene 64.6 64.5 0.0
C5H6 Propellane 95.1 95.3 -0.2
C5H6 Propellane 63.1 62.9 0.2

MP3=FULL/aug-cc-pVDZ for aCCC

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


Differences greater than 20 are in the 20 bin. Differences less than -4 are in the -4 bin.

histogram chart 20
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart
-4 -2 0 2 4 6 8 10 12 14 16 18 20
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H5N Pyrrole -2.5
Most positive difference CH2CHCH2F Allyl Fluoride 10.2