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
H2CO Formaldehyde 116.1 116.7 -0.6
CH4 Methane 109.5 109.5 -0.0
C2H4 Ethylene 117.6 117.1 0.5
CH3NH2 methyl amine 108.4 108.2 0.2
CH3SH Methanethiol 110.3 109.0 1.3
C3H6 Cyclopropane 114.5 114.9 -0.4
CH3F Methyl fluoride 110.2 110.5 -0.3
H2CS Thioformaldehyde 116.5 116.6 -0.1
CH3NO nitrosomethane 109.3 108.0 1.2
CH3 Methyl radical 120.0 120.0 0.0
CH2 Methylene 135.5 133.2 2.3
CH2 Methylene 102.4 133.2 -30.8

QCISD(TQ)/aug-cc-pVDZ for aHCH

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


Differences greater than 25 are in the 25 bin. Differences less than -35 are in the -35 bin.

histogram chart 12
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart
-35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2 Methylene -30.8
Most positive difference CH2 Methylene 2.3