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 119.9 110.9 9.0
C6H10O cyclohexanone 53.0 110.0 -57.0
C6H10O cyclohexanone 56.3 110.2 -53.9
C6H12 Cyclohexane 55.3 110.3 -55.1
C7H12 Norbornane 35.8 101.7 -65.9
C7H12 Norbornane 56.3 94.8 -38.5
C7H12 Norbornane 71.6 107.1 -35.5
C4H8 cyclobutane 27.5 88.3 -60.8
C5H8 1,4-Pentadiene -122.2 110.3 -232.5
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 123.1 124.0 -0.9

B1B95/3-21G* for dCCCC

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


Differences greater than 350 are in the 350 bin. Differences less than -250 are in the -250 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
-250 -200 -150 -100 -50 0 50 100 150 200 250 300 350
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C5H8 1,4-Pentadiene -232.5
Most positive difference CH2CHCH2CH3 1-Butene 9.0