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
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- 129.2 125.8 3.4
C2H Ethynyl radical 180.0 180.0 0.0
HCCF Fluoroacetylene 180.0 180.0 0.0

CCSD=FULL/aug-cc-pVQZ for aHCC

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


Differences greater than 3.5 are in the 3.5 bin. Differences less than -2.5 are in the -2.5 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart histogram chart
-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2CHF Ethene, fluoro- -2.4
Most positive difference CH2CHF Ethene, fluoro- 3.4