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 119.9 112.5 7.4
C6H10O cyclohexanone 53.0 111.8 -58.8
C6H10O cyclohexanone 56.3 111.6 -55.3
CH2CHCH2CH2CH3 1-pentene -119.3 125.4 -244.7
CH2CHCH2CH2CH3 1-pentene -178.2 112.8 -291.0
C6H12 Cyclohexane 55.3 111.5 -56.2
C7H12 Norbornane 35.8 101.5 -65.7
C7H12 Norbornane 56.3 94.4 -38.1
C7H12 Norbornane 71.6 108.7 -37.1
C4H8 cyclobutane 27.5 88.5 -61.0
C5H8 1,4-Pentadiene -122.2 112.0 -234.2
C4F6 perfluorobutadiene 47.4 125.8 -78.4
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 123.1 124.4 -1.3

HF/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 -291.0
Most positive difference CH2CHCH2CH3 1-Butene 7.4