return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
C2H6 Ethane 110.9 111.2 -0.3
C2H4 Ethylene 121.2 121.5 -0.3
C2H2 Acetylene 180.0 180.0 0.0
CH2CHF Ethene, fluoro- 120.9 119.0 1.9
CH2CHF Ethene, fluoro- 119.0 121.4 -2.4
CH2CHF Ethene, fluoro- 129.2 125.7 3.5
CH3CN Acetonitrile 109.4 109.9 -0.5
CH3CHO Acetaldehyde 117.5 115.5 2.0
C2H4O Ethylene oxide 119.1 119.4 -0.3
CH2CHCHO Acrolein 114.7 114.9 -0.2
CH2CHCHO Acrolein 122.4 122.6 -0.2
CH2CHCHO Acrolein 122.2 122.1 0.1
CH2CHCHO Acrolein 119.8 120.7 -0.9
CH2CHCHO Acrolein 117.3 116.8 0.5
CH2CHCHO Acrolein 115.5 114.9 0.6
CH2CHCHO Acrolein 121.0 122.6 -1.6
CH2CHCHO Acrolein 118.5 122.1 -3.6
CH2CHCHO Acrolein 121.6 120.7 0.9
CH2CHCHO Acrolein 117.6 116.8 0.8
CH3CH2CHO Propanal 110.3 110.8 -0.5
CH3CH2CHO Propanal 111.9 107.0 4.9
CH3CH2CHO Propanal 115.1 115.2 -0.1
CH3CH2CHO Propanal 111.7 110.7 1.0
CH3CH2CHO Propanal 106.8 111.7 -4.9
C2H4S Thiirane 117.9 118.0 -0.1
CH2CCH2 allene 120.9 120.9 -0.0
CH2CO Ketene 118.7 119.1 -0.4
C3H5 Allyl radical 120.9 121.4 -0.5
C3H5 Allyl radical 117.7 117.8 -0.1
C2H Ethynyl radical 180.0 180.0 0.0
C2H3 vinyl 137.3 137.3 0.0
C2H3 vinyl 121.5 121.3 0.2
HCCF Fluoroacetylene 180.0 180.0 0.0
C3H4 cyclopropene 149.9 150.0 -0.1
C3H4 cyclopropene 145.6 145.4 0.1
C3H4 cyclopropene 119.2 119.4 -0.2

CCSD=FULL/cc-pVQZ for aHCC

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


Differences greater than 7 are in the 7 bin. Differences less than -5 are in the -5 bin.

histogram chart 20
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-5 -4 -3 -2 -1 0 1 2 3 4 5 6 7
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3CH2CHO Propanal -4.9
Most positive difference CH3CH2CHO Propanal 4.9