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 119.9 111.7 8.2
C6H10O cyclohexanone 53.0 109.7 -56.7
C6H10O cyclohexanone 56.3 111.1 -54.8
C6H12 Cyclohexane 55.3 111.0 -55.7
C7H12 Norbornane 35.8 101.6 -65.8
C7H12 Norbornane 56.3 94.5 -38.2
C7H12 Norbornane 71.6 108.3 -36.7
C4H8 cyclobutane 27.5 87.9 -60.4
C5H8 1,4-Pentadiene -122.2 111.2 -233.4
C4F6 perfluorobutadiene 47.4 124.0 -76.6
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 123.1 122.9 0.2

MP2/CEP-31G* 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 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 -233.4
Most positive difference CH2CHCH2CH3 1-Butene 8.2