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
CH2CHCH2CH2CH3 1-pentene -119.3 124.7 -244.0
CH2CHCH2CH2CH3 1-pentene -178.2 112.2 -290.4
C7H12 Norbornane 35.8 101.6 -65.8
C7H12 Norbornane 56.3 94.4 -38.1
C7H12 Norbornane 71.6 108.1 -36.5
C4H8 cyclobutane 27.5 89.7 -62.2

B3PW91/STO-3G 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 4
histogram chart 2 histogram chart
histogram chart 0 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 -290.4
Most positive difference CH2CHCH2CH3 1-Butene 7.6