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
CH2CHCH2CH3 1-Butene 119.9 112.3 7.6
C6H10O cyclohexanone 53.0 112.4 -59.4
C6H10O cyclohexanone 56.3 112.0 -55.7
CH2CHCH2CH2CH3 1-pentene -119.3 125.0 -244.3
CH2CHCH2CH2CH3 1-pentene -178.2 112.5 -290.7
C6H12 Cyclohexane 55.3 111.3 -56.0
C7H12 Norbornane 35.8 101.5 -65.7
C7H12 Norbornane 56.3 94.4 -38.1
C7H12 Norbornane 71.6 108.5 -36.9
C4H8 cyclobutane 27.5 88.2 -60.7
C5H8 1,4-Pentadiene -122.2 111.7 -233.9
C4F6 perfluorobutadiene 47.4 124.9 -77.5
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 123.1 123.9 -0.8

CCD/6-31G* for dCCCC

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


Differences greater than 300 are in the 300 bin. Differences less than -300 are in the -300 bin.

histogram chart 10
histogram chart 8
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
-300 -250 -200 -150 -100 -50 0 50 100 150 200 250 300
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2CHCH2CH2CH3 1-pentene -290.7
Most positive difference CH2CHCH2CH3 1-Butene 7.6