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/6-31G* for rCO

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


Differences greater than 1.100 are in the 1.100 bin. Differences less than -0.100 are in the -0.100 bin.

histogram chart 80
histogram chart 70 histogram chart
histogram chart 60 histogram chart
histogram chart 50 histogram chart
histogram chart 40 histogram chart
histogram chart 30 histogram chart
histogram chart 20 histogram chart
histogram chart 10 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart
-0.100 0.000 0.100 0.200 0.300 0.400 0.500 0.600 0.700 0.800 0.900 1.000 1.100
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference CH3O Methoxy radical-0.016
Most positive difference HCO Formyl radical0.847

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
CH3O Methoxy radical 1.405 -0.016
CH3COOH Acetic acid 1.361 -0.012
CF3COOH trifluoroacetic acid 1.353 -0.011
C4H8O2 1,3-Dioxane 1.439 -0.010
C3H6O3 1,3,5-Trioxane 1.421 -0.009
CH3OH Methyl alcohol 1.427 -0.008
H2COO Dioxymethyl radical 1.272 -0.008
CH3CH2OH Ethanol 1.431 -0.007
C4H6O Furan, 2,5-dihydro- 1.440 -0.007
HOCO+ Hydrocarboxyl cation 1.140 -0.006
C2H2O4 Oxalic Acid 1.336 -0.006
CF3OF Trifluoromethylhypofluorite 1.395 -0.004
OCSe Carbonyl selenide 1.159 -0.003
CH2O2 Dioxirane 1.388 -0.003
HOCH2COOH Hydroxyacetic acid 1.349 -0.002
CH3OCH3 Dimethyl ether 1.411 -0.002
CH3CHO Acetaldehyde 1.216 -0.002
CH2CHOH ethenol 1.372 -0.002
C5H8O Methyl cyclopropyl ketone 1.225 -0.001
CH3OCHO methyl formate 1.437 -0.001
FCO Carbonyl fluoride 1.180 -0.001
NH2CONH2 Urea 1.221 -0.001
C3H6O Propylene oxide 1.436 -0.001
CH3OC2H5 Ethane, methoxy- 1.415 -0.000
CH3CONH2 Acetamide 1.220 0.001
C5H8O Cyclopentanone 1.215 0.001
C3H3NO Oxazole 1.357 0.001
C3H6O 2-Propen-1-ol 1.428 0.002
C2H4O4 Formic acid dimer 1.320 0.002
HOCH2COOH Hydroxyacetic acid 1.406 0.003
HCOOH Formic acid 1.343 0.003
HCONHCH3 N-methylformamide 1.219 0.003
CH3ONO Methyl nitrite 1.437 0.003
BH3CO Borane carbonyl 1.135 0.003
C3H3NO Oxazole 1.370 0.003
CH3CH2O Ethoxy radical 1.388 0.004
C3H2O3 vinylene carbonate 1.191 0.004
C2H2O2 Ethanedial 1.212 0.004
CH3COCl Acetyl Chloride 1.187 0.004
HOCH2COOH Hydroxyacetic acid 1.210 0.004
C3H2O3 vinylene carbonate 1.385 0.004
CH2CHCHO Acrolein 1.215 0.004
HCOOH Formic acid 1.202 0.005
C2H4O4 Formic acid dimer 1.217 0.005
OCS Carbonyl sulfide 1.160 0.005
CH3OCHO methyl formate 1.334 0.005
C2H2O4 Oxalic Acid 1.205 0.006
CH3COOH Acetic acid 1.212 0.006
C3H2O3 vinylene carbonate 1.364 0.007
CF2O Carbonic difluoride 1.174 0.007
HFCO formyl fluoride 1.181 0.007
CH2ClCHO chloroacetaldehyde 1.206 0.008
CCl2O Phosgene 1.177 0.008
C4H8O2 Ethyl acetate 1.345 0.008
C2H4O Ethylene oxide 1.425 0.008
CH3OCHO methyl formate 1.200 0.008
CO2 Carbon dioxide 1.162 0.008
CH3CH2CHO Propanal 1.210 0.009
H2CO Formaldehyde 1.205 0.010
COBr2 Carbonic dibromide 1.172 0.010
C4H8O2 Ethyl acetate 1.203 0.010
CH3COF Acetyl fluoride 1.181 0.012
CF3COOH trifluoroacetic acid 1.192 0.012
HNCO Isocyanic acid 1.164 0.012
CH3OC2H5 Ethane, methoxy- 1.407 0.012
CO+ carbon monoxide cation 1.115 0.013
ClCOClCO Oxalyl chloride 1.182 0.013
CH2CO Ketene 1.162 0.013
CO Carbon monoxide 1.128 0.014
C4H8O2 1,3-Dioxane 1.393 0.015
C2H5NO3 Nitric acid, ethyl ester 1.430 0.024
C3O2 Carbon suboxide 1.146 0.024
HOCO+ Hydrocarboxyl cation 1.209 0.027
CH3OCl methyl hypochlorite 1.389 0.044
C4H8O2 Ethyl acetate 1.448 0.067
C3H4O Cyclopropanone 1.191 0.083
HCO Formyl radical 1.198 0.847