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 Bonds

18 10 26 16 45

CCSD(T)=FULL/cc-pVQZ for rCC

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 0.070 are in the 0.070 bin. Differences less than -0.050 are in the -0.050 bin.

histogram chart 20
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-0.050 -0.040 -0.030 -0.020 -0.010 0.000 0.010 0.020 0.030 0.040 0.050 0.060 0.070
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C3H5 Allyl radical-0.047
Most positive difference C3O2 Carbon suboxide0.022

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H5 Allyl radical 1.428 -0.047
CH2CHCH3 Propene 1.353 -0.021
C2H6 Ethane 1.536 -0.014
C2H2O2 Ethanedial 1.526 -0.012
C2H Ethynyl radical 1.217 -0.011
CH3CH2SH ethanethiol 1.529 -0.010
C2H3 vinyl 1.316 -0.009
C2H4 Ethylene 1.339 -0.008
CH2CHF Ethene, fluoro- 1.329 -0.007
CH2CHCHO Acrolein 1.341 -0.006
C2N2 Cyanogen 1.389 -0.006
C2H4S Thiirane 1.484 -0.005
C2H2+ acetylene cation 1.253 -0.004
C3H8 Propane 1.526 -0.004
CH2CS Thioketene 1.314 -0.004
C3H4 cyclopropene 1.509 -0.004
CH2CHCH2F Allyl Fluoride 1.333 -0.003
CH3CHO Acetaldehyde 1.501 -0.002
C3H4 cyclopropene 1.296 -0.002
CH3CCH propyne 1.207 -0.002
CH3CCH propyne 1.460 -0.001
CH2CO Ketene 1.314 -0.001
HCCF Fluoroacetylene 1.198 -0.001
CH2CCH2 allene 1.308 -0.001
C2 Carbon diatomic 1.243 -0.000
CH3CN Acetonitrile 1.458 0.000
C2H4O Ethylene oxide 1.459 0.001
C2H2 Acetylene 1.203 0.002
CH2CHCH2F Allyl Fluoride 1.488 0.003
CH2CHCHO Acrolein 1.468 0.003
C4 Carbon tetramer 1.304 0.005
C2H4F2 1,2-difluoroethane 1.493 0.005
SiC2 Silicon dicarbide 1.265 0.006
CH2CHCH3 Propene 1.488 0.007
C3 carbon trimer 1.277 0.017
C3O2 Carbon suboxide 1.251 0.022